20356664

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 39871440

約数和(自身を除く): 19514776

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 1171, 2173, 2342, 4346, 4684, 8692, 9368, 17384, 48011, 62063, 96022, 124126, 192044, 248252, 384088, 496504, 2544583, 5089166, 10178332, 20356664]

約数ペア:

[(1, 20356664), (2, 10178332), (4, 5089166), (8, 2544583), (41, 496504), (53, 384088), (82, 248252), (106, 192044), (164, 124126), (212, 96022), (328, 62063), (424, 48011), (1171, 17384), (2173, 9368), (2342, 8692), (4346, 4684)]