20984024

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 19935016

約数列:

[1, 2, 4, 8, 31, 62, 124, 191, 248, 382, 443, 764, 886, 1528, 1772, 3544, 5921, 11842, 13733, 23684, 27466, 47368, 54932, 84613, 109864, 169226, 338452, 676904, 2623003, 5246006, 10492012, 20984024]

約数ペア:

[(1, 20984024), (2, 10492012), (4, 5246006), (8, 2623003), (31, 676904), (62, 338452), (124, 169226), (191, 109864), (248, 84613), (382, 54932), (443, 47368), (764, 27466), (886, 23684), (1528, 13733), (1772, 11842), (3544, 5921)]