20449676

素因数分解:

$2^2\times {\mathrm{13}}^4\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 30

約数和(自身を含む): 38985660

約数和(自身を除く): 18535984

約数列:

[1, 2, 4, 13, 26, 52, 169, 179, 338, 358, 676, 716, 2197, 2327, 4394, 4654, 8788, 9308, 28561, 30251, 57122, 60502, 114244, 121004, 393263, 786526, 1573052, 5112419, 10224838, 20449676]

約数ペア:

[(1, 20449676), (2, 10224838), (4, 5112419), (13, 1573052), (26, 786526), (52, 393263), (169, 121004), (179, 114244), (338, 60502), (358, 57122), (676, 30251), (716, 28561), (2197, 9308), (2327, 8788), (4394, 4654)]