20157467940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{881779}}^1$

素因数の和:881921

約数の個数: 72

約数和(自身を含む): 61625840640

約数和(自身を除く): 41468372700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 881779, 1763558, 2645337, 3527116, 4408895, 5290674, 7936011, 8817790, 10581348, 13226685, 15872022, 17635580, 26453370, 31744044, 39680055, 52906740, 79360110, 111985933, 158720220, 223971866, 335957799, 447943732, 559929665, 671915598, 1007873397, 1119859330, 1343831196, 1679788995, 2015746794, 2239718660, 3359577990, 4031493588, 5039366985, 6719155980, 10078733970, 20157467940]

約数ペア:

[(1, 20157467940), (2, 10078733970), (3, 6719155980), (4, 5039366985), (5, 4031493588), (6, 3359577990), (9, 2239718660), (10, 2015746794), (12, 1679788995), (15, 1343831196), (18, 1119859330), (20, 1007873397), (30, 671915598), (36, 559929665), (45, 447943732), (60, 335957799), (90, 223971866), (127, 158720220), (180, 111985933), (254, 79360110), (381, 52906740), (508, 39680055), (635, 31744044), (762, 26453370), (1143, 17635580), (1270, 15872022), (1524, 13226685), (1905, 10581348), (2286, 8817790), (2540, 7936011), (3810, 5290674), (4572, 4408895), (5715, 3527116), (7620, 2645337), (11430, 1763558), (22860, 881779)]