20123116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10459}}^1$

素因数の和:10513

約数の個数: 24

約数和(自身を含む): 38953040

約数和(自身を除く): 18829924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10459, 20918, 41836, 135967, 271934, 386983, 543868, 773966, 1547932, 5030779, 10061558, 20123116]

約数ペア:

[(1, 20123116), (2, 10061558), (4, 5030779), (13, 1547932), (26, 773966), (37, 543868), (52, 386983), (74, 271934), (148, 135967), (481, 41836), (962, 20918), (1924, 10459)]