20962808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19861192

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 809, 1618, 3236, 3239, 6472, 6478, 12956, 25912, 33169, 63911, 66338, 127822, 132676, 255644, 265352, 511288, 2620351, 5240702, 10481404, 20962808]

約数ペア:

[(1, 20962808), (2, 10481404), (4, 5240702), (8, 2620351), (41, 511288), (79, 265352), (82, 255644), (158, 132676), (164, 127822), (316, 66338), (328, 63911), (632, 33169), (809, 25912), (1618, 12956), (3236, 6478), (3239, 6472)]