20176500640

素因数分解:

$2^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{226397}}^1$

素因数の和:226969

約数の個数: 48

約数和(自身を含む): 47752771752

約数和(自身を除く): 27576271112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 17824, 22280, 44560, 89120, 226397, 452794, 905588, 1131985, 1811176, 2263970, 3622352, 4527940, 7244704, 9055880, 18111760, 36223520, 126103129, 252206258, 504412516, 630515645, 1008825032, 1261031290, 2017650064, 2522062580, 4035300128, 5044125160, 10088250320, 20176500640]

約数ペア:

[(1, 20176500640), (2, 10088250320), (4, 5044125160), (5, 4035300128), (8, 2522062580), (10, 2017650064), (16, 1261031290), (20, 1008825032), (32, 630515645), (40, 504412516), (80, 252206258), (160, 126103129), (557, 36223520), (1114, 18111760), (2228, 9055880), (2785, 7244704), (4456, 4527940), (5570, 3622352), (8912, 2263970), (11140, 1811176), (17824, 1131985), (22280, 905588), (44560, 452794), (89120, 226397)]