20705957160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{30851}}^1$

素因数の和:30936

約数の個数: 256

約数和(自身を含む): 76769648640

約数和(自身を除く): 56063691480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 47, 51, 56, 60, 68, 70, 84, 85, 94, 102, 105, 119, 120, 136, 140, 141, 168, 170, 188, 204, 210, 235, 238, 255, 280, 282, 329, 340, 357, 376, 408, 420, 470, 476, 510, 564, 595, 658, 680, 705, 714, 799, 840, 940, 952, 987, 1020, 1128, 1190, 1316, 1410, 1428, 1598, 1645, 1785, 1880, 1974, 2040, 2380, 2397, 2632, 2820, 2856, 3196, 3290, 3570, 3948, 3995, 4760, 4794, 4935, 5593, 5640, 6392, 6580, 7140, 7896, 7990, 9588, 9870, 11186, 11985, 13160, 14280, 15980, 16779, 19176, 19740, 22372, 23970, 27965, 30851, 31960, 33558, 39480, 44744, 47940, 55930, 61702, 67116, 83895, 92553, 95880, 111860, 123404, 134232, 154255, 167790, 185106, 215957, 223720, 246808, 308510, 335580, 370212, 431914, 462765, 524467, 617020, 647871, 671160, 740424, 863828, 925530, 1048934, 1079785, 1234040, 1295742, 1449997, 1573401, 1727656, 1851060, 2097868, 2159570, 2591484, 2622335, 2899994, 3146802, 3239355, 3671269, 3702120, 4195736, 4319140, 4349991, 5182968, 5244670, 5799988, 6293604, 6478710, 7249985, 7342538, 7867005, 8638280, 8699982, 10149979, 10489340, 11013807, 11599976, 12587208, 12957420, 14499970, 14685076, 15734010, 17399964, 18356345, 20299958, 20978680, 21749955, 22027614, 24649949, 25914840, 28999940, 29370152, 30449937, 31468020, 34799928, 36712690, 40599916, 43499910, 44055228, 49299898, 50749895, 55069035, 57999880, 60899874, 62936040, 73425380, 73949847, 81199832, 86999820, 88110456, 98599796, 101499790, 110138070, 121799748, 123249745, 146850760, 147899694, 152249685, 172549643, 173999640, 197199592, 202999580, 220276140, 243599496, 246499490, 295799388, 304499370, 345099286, 369749235, 405999160, 440552280, 492998980, 517648929, 591598776, 608998740, 690198572, 739498470, 862748215, 985997960, 1035297858, 1217997480, 1380397144, 1478996940, 1725496430, 2070595716, 2588244645, 2957993880, 3450992860, 4141191432, 5176489290, 6901985720, 10352978580, 20705957160]

約数ペア:

[(1, 20705957160), (2, 10352978580), (3, 6901985720), (4, 5176489290), (5, 4141191432), (6, 3450992860), (7, 2957993880), (8, 2588244645), (10, 2070595716), (12, 1725496430), (14, 1478996940), (15, 1380397144), (17, 1217997480), (20, 1035297858), (21, 985997960), (24, 862748215), (28, 739498470), (30, 690198572), (34, 608998740), (35, 591598776), (40, 517648929), (42, 492998980), (47, 440552280), (51, 405999160), (56, 369749235), (60, 345099286), (68, 304499370), (70, 295799388), (84, 246499490), (85, 243599496), (94, 220276140), (102, 202999580), (105, 197199592), (119, 173999640), (120, 172549643), (136, 152249685), (140, 147899694), (141, 146850760), (168, 123249745), (170, 121799748), (188, 110138070), (204, 101499790), (210, 98599796), (235, 88110456), (238, 86999820), (255, 81199832), (280, 73949847), (282, 73425380), (329, 62936040), (340, 60899874), (357, 57999880), (376, 55069035), (408, 50749895), (420, 49299898), (470, 44055228), (476, 43499910), (510, 40599916), (564, 36712690), (595, 34799928), (658, 31468020), (680, 30449937), (705, 29370152), (714, 28999940), (799, 25914840), (840, 24649949), (940, 22027614), (952, 21749955), (987, 20978680), (1020, 20299958), (1128, 18356345), (1190, 17399964), (1316, 15734010), (1410, 14685076), (1428, 14499970), (1598, 12957420), (1645, 12587208), (1785, 11599976), (1880, 11013807), (1974, 10489340), (2040, 10149979), (2380, 8699982), (2397, 8638280), (2632, 7867005), (2820, 7342538), (2856, 7249985), (3196, 6478710), (3290, 6293604), (3570, 5799988), (3948, 5244670), (3995, 5182968), (4760, 4349991), (4794, 4319140), (4935, 4195736), (5593, 3702120), (5640, 3671269), (6392, 3239355), (6580, 3146802), (7140, 2899994), (7896, 2622335), (7990, 2591484), (9588, 2159570), (9870, 2097868), (11186, 1851060), (11985, 1727656), (13160, 1573401), (14280, 1449997), (15980, 1295742), (16779, 1234040), (19176, 1079785), (19740, 1048934), (22372, 925530), (23970, 863828), (27965, 740424), (30851, 671160), (31960, 647871), (33558, 617020), (39480, 524467), (44744, 462765), (47940, 431914), (55930, 370212), (61702, 335580), (67116, 308510), (83895, 246808), (92553, 223720), (95880, 215957), (111860, 185106), (123404, 167790), (134232, 154255)]