20959472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42257}}^1$

素因数の和:42296

約数の個数: 20

約数和(自身を含む): 41919936

約数和(自身を除く): 20960464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42257, 84514, 169028, 338056, 676112, 1309967, 2619934, 5239868, 10479736, 20959472]

約数ペア:

[(1, 20959472), (2, 10479736), (4, 5239868), (8, 2619934), (16, 1309967), (31, 676112), (62, 338056), (124, 169028), (248, 84514), (496, 42257)]