20120156780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52947781}}^1$

素因数の和:52947809

約数の個数: 24

約数和(自身を含む): 44476136880

約数和(自身を除く): 24355980100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52947781, 105895562, 211791124, 264738905, 529477810, 1006007839, 1058955620, 2012015678, 4024031356, 5030039195, 10060078390, 20120156780]

約数ペア:

[(1, 20120156780), (2, 10060078390), (4, 5030039195), (5, 4024031356), (10, 2012015678), (19, 1058955620), (20, 1006007839), (38, 529477810), (76, 264738905), (95, 211791124), (190, 105895562), (380, 52947781)]