20245876980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{60331}}^1$

素因数の和:60414

約数の個数: 192

約数和(自身を含む): 70058483712

約数和(自身を除く): 49812606732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 47, 51, 60, 68, 70, 84, 85, 94, 102, 105, 119, 140, 141, 170, 188, 204, 210, 235, 238, 255, 282, 329, 340, 357, 420, 470, 476, 510, 564, 595, 658, 705, 714, 799, 940, 987, 1020, 1190, 1316, 1410, 1428, 1598, 1645, 1785, 1974, 2380, 2397, 2820, 3196, 3290, 3570, 3948, 3995, 4794, 4935, 5593, 6580, 7140, 7990, 9588, 9870, 11186, 11985, 15980, 16779, 19740, 22372, 23970, 27965, 33558, 47940, 55930, 60331, 67116, 83895, 111860, 120662, 167790, 180993, 241324, 301655, 335580, 361986, 422317, 603310, 723972, 844634, 904965, 1025627, 1206620, 1266951, 1689268, 1809930, 2051254, 2111585, 2533902, 2835557, 3076881, 3619860, 4102508, 4223170, 5067804, 5128135, 5671114, 6153762, 6334755, 7179389, 8446340, 8506671, 10256270, 11342228, 12307524, 12669510, 14177785, 14358778, 15384405, 17013342, 19848899, 20512540, 21538167, 25339020, 28355570, 28717556, 30768810, 34026684, 35896945, 39697798, 42533355, 43076334, 48204469, 56711140, 59546697, 61537620, 71793890, 79395596, 85066710, 86152668, 96408938, 99244495, 107690835, 119093394, 143587780, 144613407, 170133420, 192817876, 198488990, 215381670, 238186788, 241022345, 289226814, 297733485, 337431283, 396977980, 430763340, 482044690, 578453628, 595466970, 674862566, 723067035, 964089380, 1012293849, 1190933940, 1349725132, 1446134070, 1687156415, 2024587698, 2892268140, 3374312830, 4049175396, 5061469245, 6748625660, 10122938490, 20245876980]

約数ペア:

[(1, 20245876980), (2, 10122938490), (3, 6748625660), (4, 5061469245), (5, 4049175396), (6, 3374312830), (7, 2892268140), (10, 2024587698), (12, 1687156415), (14, 1446134070), (15, 1349725132), (17, 1190933940), (20, 1012293849), (21, 964089380), (28, 723067035), (30, 674862566), (34, 595466970), (35, 578453628), (42, 482044690), (47, 430763340), (51, 396977980), (60, 337431283), (68, 297733485), (70, 289226814), (84, 241022345), (85, 238186788), (94, 215381670), (102, 198488990), (105, 192817876), (119, 170133420), (140, 144613407), (141, 143587780), (170, 119093394), (188, 107690835), (204, 99244495), (210, 96408938), (235, 86152668), (238, 85066710), (255, 79395596), (282, 71793890), (329, 61537620), (340, 59546697), (357, 56711140), (420, 48204469), (470, 43076334), (476, 42533355), (510, 39697798), (564, 35896945), (595, 34026684), (658, 30768810), (705, 28717556), (714, 28355570), (799, 25339020), (940, 21538167), (987, 20512540), (1020, 19848899), (1190, 17013342), (1316, 15384405), (1410, 14358778), (1428, 14177785), (1598, 12669510), (1645, 12307524), (1785, 11342228), (1974, 10256270), (2380, 8506671), (2397, 8446340), (2820, 7179389), (3196, 6334755), (3290, 6153762), (3570, 5671114), (3948, 5128135), (3995, 5067804), (4794, 4223170), (4935, 4102508), (5593, 3619860), (6580, 3076881), (7140, 2835557), (7990, 2533902), (9588, 2111585), (9870, 2051254), (11186, 1809930), (11985, 1689268), (15980, 1266951), (16779, 1206620), (19740, 1025627), (22372, 904965), (23970, 844634), (27965, 723972), (33558, 603310), (47940, 422317), (55930, 361986), (60331, 335580), (67116, 301655), (83895, 241324), (111860, 180993), (120662, 167790)]