20914960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23767}}^1$

素因数の和:23791

約数の個数: 40

約数和(自身を含む): 53050176

約数和(自身を除く): 32135216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23767, 47534, 95068, 118835, 190136, 237670, 261437, 380272, 475340, 522874, 950680, 1045748, 1307185, 1901360, 2091496, 2614370, 4182992, 5228740, 10457480, 20914960]

約数ペア:

[(1, 20914960), (2, 10457480), (4, 5228740), (5, 4182992), (8, 2614370), (10, 2091496), (11, 1901360), (16, 1307185), (20, 1045748), (22, 950680), (40, 522874), (44, 475340), (55, 380272), (80, 261437), (88, 237670), (110, 190136), (176, 118835), (220, 95068), (440, 47534), (880, 23767)]