20121528496

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{863}}^1\times {\mathrm{2797}}^1$

素因数の和:4189

約数の個数: 40

約数和(自身を含む): 39119531904

約数和(自身を除く): 18998003408

約数列:

[1, 2, 4, 8, 16, 521, 863, 1042, 1726, 2084, 2797, 3452, 4168, 5594, 6904, 8336, 11188, 13808, 22376, 44752, 449623, 899246, 1457237, 1798492, 2413811, 2914474, 3596984, 4827622, 5828948, 7193968, 9655244, 11657896, 19310488, 23315792, 38620976, 1257595531, 2515191062, 5030382124, 10060764248, 20121528496]

約数ペア:

[(1, 20121528496), (2, 10060764248), (4, 5030382124), (8, 2515191062), (16, 1257595531), (521, 38620976), (863, 23315792), (1042, 19310488), (1726, 11657896), (2084, 9655244), (2797, 7193968), (3452, 5828948), (4168, 4827622), (5594, 3596984), (6904, 2914474), (8336, 2413811), (11188, 1798492), (13808, 1457237), (22376, 899246), (44752, 449623)]