20086792280

素因数分解:

$2^3\times 5^1\times {\mathrm{8681}}^1\times {\mathrm{57847}}^1$

素因数の和:66539

約数の個数: 32

約数和(自身を含む): 45201270240

約数和(自身を除く): 25114477960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8681, 17362, 34724, 43405, 57847, 69448, 86810, 115694, 173620, 231388, 289235, 347240, 462776, 578470, 1156940, 2313880, 502169807, 1004339614, 2008679228, 2510849035, 4017358456, 5021698070, 10043396140, 20086792280]

約数ペア:

[(1, 20086792280), (2, 10043396140), (4, 5021698070), (5, 4017358456), (8, 2510849035), (10, 2008679228), (20, 1004339614), (40, 502169807), (8681, 2313880), (17362, 1156940), (34724, 578470), (43405, 462776), (57847, 347240), (69448, 289235), (86810, 231388), (115694, 173620)]