20367700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11981}}^1$

素因数の和:12012

約数の個数: 36

約数和(自身を含む): 46801692

約数和(自身を除く): 26433992

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11981, 23962, 47924, 59905, 119810, 203677, 239620, 299525, 407354, 599050, 814708, 1018385, 1198100, 2036770, 4073540, 5091925, 10183850, 20367700]

約数ペア:

[(1, 20367700), (2, 10183850), (4, 5091925), (5, 4073540), (10, 2036770), (17, 1198100), (20, 1018385), (25, 814708), (34, 599050), (50, 407354), (68, 299525), (85, 239620), (100, 203677), (170, 119810), (340, 59905), (425, 47924), (850, 23962), (1700, 11981)]