20157404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6469}}^1$

素因数の和:6533

約数の個数: 24

約数和(自身を含む): 38043600

約数和(自身を除く): 17886196

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6469, 12938, 25876, 122911, 245822, 265229, 491644, 530458, 1060916, 5039351, 10078702, 20157404]

約数ペア:

[(1, 20157404), (2, 10078702), (4, 5039351), (19, 1060916), (38, 530458), (41, 491644), (76, 265229), (82, 245822), (164, 122911), (779, 25876), (1558, 12938), (3116, 6469)]