20123170722

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{857}}^1\times {\mathrm{31817}}^1$

素因数の和:32723

約数の個数: 48

約数和(自身を含む): 44717144472

約数和(自身を除く): 24593973750

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 857, 1714, 2571, 5142, 7713, 15426, 31817, 35137, 63634, 70274, 95451, 105411, 190902, 210822, 286353, 316233, 572706, 632466, 1304497, 2608994, 3913491, 7826982, 11740473, 23480946, 27267169, 54534338, 81801507, 163603014, 245404521, 490809042, 1117953929, 2235907858, 3353861787, 6707723574, 10061585361, 20123170722]

約数ペア:

[(1, 20123170722), (2, 10061585361), (3, 6707723574), (6, 3353861787), (9, 2235907858), (18, 1117953929), (41, 490809042), (82, 245404521), (123, 163603014), (246, 81801507), (369, 54534338), (738, 27267169), (857, 23480946), (1714, 11740473), (2571, 7826982), (5142, 3913491), (7713, 2608994), (15426, 1304497), (31817, 632466), (35137, 572706), (63634, 316233), (70274, 286353), (95451, 210822), (105411, 190902)]