20967216

素因数分解:

$2^4\times 3^1\times {\mathrm{191}}^1\times {\mathrm{2287}}^1$

素因数の和:2489

約数の個数: 40

約数和(自身を含む): 54472704

約数和(自身を除く): 33505488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 191, 382, 573, 764, 1146, 1528, 2287, 2292, 3056, 4574, 4584, 6861, 9148, 9168, 13722, 18296, 27444, 36592, 54888, 109776, 436817, 873634, 1310451, 1747268, 2620902, 3494536, 5241804, 6989072, 10483608, 20967216]

約数ペア:

[(1, 20967216), (2, 10483608), (3, 6989072), (4, 5241804), (6, 3494536), (8, 2620902), (12, 1747268), (16, 1310451), (24, 873634), (48, 436817), (191, 109776), (382, 54888), (573, 36592), (764, 27444), (1146, 18296), (1528, 13722), (2287, 9168), (2292, 9148), (3056, 6861), (4574, 4584)]