20187766960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6154807}}^1$

素因数の和:6154861

約数の個数: 40

約数和(自身を含む): 48081360096

約数和(自身を除く): 27893593136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6154807, 12309614, 24619228, 30774035, 49238456, 61548070, 98476912, 123096140, 246192280, 252347087, 492384560, 504694174, 1009388348, 1261735435, 2018776696, 2523470870, 4037553392, 5046941740, 10093883480, 20187766960]

約数ペア:

[(1, 20187766960), (2, 10093883480), (4, 5046941740), (5, 4037553392), (8, 2523470870), (10, 2018776696), (16, 1261735435), (20, 1009388348), (40, 504694174), (41, 492384560), (80, 252347087), (82, 246192280), (164, 123096140), (205, 98476912), (328, 61548070), (410, 49238456), (656, 30774035), (820, 24619228), (1640, 12309614), (3280, 6154807)]