20812142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7481}}^1$

素因数の和:7603

約数の個数: 16

約数和(自身を含む): 33938352

約数和(自身を除く): 13126210

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7481, 14962, 97253, 194506, 800467, 1600934, 10406071, 20812142]

約数ペア:

[(1, 20812142), (2, 10406071), (13, 1600934), (26, 800467), (107, 194506), (214, 97253), (1391, 14962), (2782, 7481)]