20175491260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1\times {\mathrm{17239}}^1$

素因数の和:17770

約数の個数: 48

約数和(自身を含む): 42749683200

約数和(自身を除く): 22574191940

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 359, 652, 718, 815, 1436, 1630, 1795, 3260, 3590, 7180, 17239, 34478, 58517, 68956, 86195, 117034, 172390, 234068, 292585, 344780, 585170, 1170340, 2809957, 5619914, 6188801, 11239828, 12377602, 14049785, 24755204, 28099570, 30944005, 56199140, 61888010, 123776020, 1008774563, 2017549126, 4035098252, 5043872815, 10087745630, 20175491260]

約数ペア:

[(1, 20175491260), (2, 10087745630), (4, 5043872815), (5, 4035098252), (10, 2017549126), (20, 1008774563), (163, 123776020), (326, 61888010), (359, 56199140), (652, 30944005), (718, 28099570), (815, 24755204), (1436, 14049785), (1630, 12377602), (1795, 11239828), (3260, 6188801), (3590, 5619914), (7180, 2809957), (17239, 1170340), (34478, 585170), (58517, 344780), (68956, 292585), (86195, 234068), (117034, 172390)]