20686424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7583}}^1$

素因数の和:7631

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 22997416

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7583, 15166, 30332, 60664, 83413, 166826, 235073, 333652, 470146, 667304, 940292, 1880584, 2585803, 5171606, 10343212, 20686424]

約数ペア:

[(1, 20686424), (2, 10343212), (4, 5171606), (8, 2585803), (11, 1880584), (22, 940292), (31, 667304), (44, 470146), (62, 333652), (88, 235073), (124, 166826), (248, 83413), (341, 60664), (682, 30332), (1364, 15166), (2728, 7583)]