20694100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 36302252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 37, 47, 50, 68, 70, 74, 85, 94, 100, 119, 140, 148, 170, 175, 185, 188, 235, 238, 259, 329, 340, 350, 370, 425, 470, 476, 518, 595, 629, 658, 700, 740, 799, 850, 925, 940, 1036, 1175, 1190, 1258, 1295, 1316, 1598, 1645, 1700, 1739, 1850, 2350, 2380, 2516, 2590, 2975, 3145, 3196, 3290, 3478, 3700, 3995, 4403, 4700, 5180, 5593, 5950, 6290, 6475, 6580, 6956, 7990, 8225, 8695, 8806, 11186, 11900, 12173, 12580, 12950, 15725, 15980, 16450, 17390, 17612, 19975, 22015, 22372, 24346, 25900, 27965, 29563, 31450, 32900, 34780, 39950, 43475, 44030, 48692, 55930, 59126, 60865, 62900, 79900, 86950, 88060, 110075, 111860, 118252, 121730, 139825, 147815, 173900, 206941, 220150, 243460, 279650, 295630, 304325, 413882, 440300, 559300, 591260, 608650, 739075, 827764, 1034705, 1217300, 1478150, 2069410, 2956300, 4138820, 5173525, 10347050, 20694100]

約数ペア:

[(1, 20694100), (2, 10347050), (4, 5173525), (5, 4138820), (7, 2956300), (10, 2069410), (14, 1478150), (17, 1217300), (20, 1034705), (25, 827764), (28, 739075), (34, 608650), (35, 591260), (37, 559300), (47, 440300), (50, 413882), (68, 304325), (70, 295630), (74, 279650), (85, 243460), (94, 220150), (100, 206941), (119, 173900), (140, 147815), (148, 139825), (170, 121730), (175, 118252), (185, 111860), (188, 110075), (235, 88060), (238, 86950), (259, 79900), (329, 62900), (340, 60865), (350, 59126), (370, 55930), (425, 48692), (470, 44030), (476, 43475), (518, 39950), (595, 34780), (629, 32900), (658, 31450), (700, 29563), (740, 27965), (799, 25900), (850, 24346), (925, 22372), (940, 22015), (1036, 19975), (1175, 17612), (1190, 17390), (1258, 16450), (1295, 15980), (1316, 15725), (1598, 12950), (1645, 12580), (1700, 12173), (1739, 11900), (1850, 11186), (2350, 8806), (2380, 8695), (2516, 8225), (2590, 7990), (2975, 6956), (3145, 6580), (3196, 6475), (3290, 6290), (3478, 5950), (3700, 5593), (3995, 5180), (4403, 4700)]