20700436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1201}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 37694720

約数和(自身を除く): 16994284

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 1201, 2402, 4309, 4804, 8618, 17236, 37231, 74462, 148924, 166939, 333878, 667756, 5175109, 10350218, 20700436]

約数ペア:

[(1, 20700436), (2, 10350218), (4, 5175109), (31, 667756), (62, 333878), (124, 166939), (139, 148924), (278, 74462), (556, 37231), (1201, 17236), (2402, 8618), (4309, 4804)]