20920744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11833}}^1$

素因数の和:11869

約数の個数: 32

約数和(自身を含む): 44732520

約数和(自身を除く): 23811776

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11833, 23666, 47332, 94664, 153829, 201161, 307658, 402322, 615316, 804644, 1230632, 1609288, 2615093, 5230186, 10460372, 20920744]

約数ペア:

[(1, 20920744), (2, 10460372), (4, 5230186), (8, 2615093), (13, 1609288), (17, 1230632), (26, 804644), (34, 615316), (52, 402322), (68, 307658), (104, 201161), (136, 153829), (221, 94664), (442, 47332), (884, 23666), (1768, 11833)]