20391060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11719}}^1$

素因数の和:11760

約数の個数: 48

約数和(自身を含む): 59068800

約数和(自身を除く): 38677740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11719, 23438, 35157, 46876, 58595, 70314, 117190, 140628, 175785, 234380, 339851, 351570, 679702, 703140, 1019553, 1359404, 1699255, 2039106, 3398510, 4078212, 5097765, 6797020, 10195530, 20391060]

約数ペア:

[(1, 20391060), (2, 10195530), (3, 6797020), (4, 5097765), (5, 4078212), (6, 3398510), (10, 2039106), (12, 1699255), (15, 1359404), (20, 1019553), (29, 703140), (30, 679702), (58, 351570), (60, 339851), (87, 234380), (116, 175785), (145, 140628), (174, 117190), (290, 70314), (348, 58595), (435, 46876), (580, 35157), (870, 23438), (1740, 11719)]