20447798

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1523}}^1$

素因数の和:1676

約数の個数: 24

約数和(自身を含む): 35963352

約数和(自身を除く): 15515554

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1523, 1918, 3046, 6713, 10661, 13426, 21322, 74627, 149254, 208651, 417302, 1460557, 2921114, 10223899, 20447798]

約数ペア:

[(1, 20447798), (2, 10223899), (7, 2921114), (14, 1460557), (49, 417302), (98, 208651), (137, 149254), (274, 74627), (959, 21322), (1523, 13426), (1918, 10661), (3046, 6713)]