20129989810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{56911}}^1$

素因数の和:57119

約数の個数: 64

約数和(自身を含む): 43009081344

約数和(自身を除く): 22879091534

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 163, 217, 310, 326, 434, 815, 1085, 1141, 1630, 2170, 2282, 5053, 5705, 10106, 11410, 25265, 35371, 50530, 56911, 70742, 113822, 176855, 284555, 353710, 398377, 569110, 796754, 1764241, 1991885, 3528482, 3983770, 8821205, 9276493, 12349687, 17642410, 18552986, 24699374, 46382465, 61748435, 64935451, 92764930, 123496870, 129870902, 287571283, 324677255, 575142566, 649354510, 1437856415, 2012998981, 2875712830, 4025997962, 10064994905, 20129989810]

約数ペア:

[(1, 20129989810), (2, 10064994905), (5, 4025997962), (7, 2875712830), (10, 2012998981), (14, 1437856415), (31, 649354510), (35, 575142566), (62, 324677255), (70, 287571283), (155, 129870902), (163, 123496870), (217, 92764930), (310, 64935451), (326, 61748435), (434, 46382465), (815, 24699374), (1085, 18552986), (1141, 17642410), (1630, 12349687), (2170, 9276493), (2282, 8821205), (5053, 3983770), (5705, 3528482), (10106, 1991885), (11410, 1764241), (25265, 796754), (35371, 569110), (50530, 398377), (56911, 353710), (70742, 284555), (113822, 176855)]