20792573180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1\times {\mathrm{5701}}^1$

素因数の和:6375

約数の個数: 72

約数和(自身を含む): 46465643616

約数和(自身を除く): 25673070436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 631, 1156, 1262, 1445, 2524, 2890, 3155, 5701, 5780, 6310, 10727, 11402, 12620, 21454, 22804, 28505, 42908, 53635, 57010, 96917, 107270, 114020, 182359, 193834, 214540, 364718, 387668, 484585, 729436, 911795, 969170, 1647589, 1823590, 1938340, 3295178, 3597331, 3647180, 6590356, 7194662, 8237945, 14389324, 16475890, 17986655, 32951780, 35973310, 61154627, 71946620, 122309254, 244618508, 305773135, 611546270, 1039628659, 1223092540, 2079257318, 4158514636, 5198143295, 10396286590, 20792573180]

約数ペア:

[(1, 20792573180), (2, 10396286590), (4, 5198143295), (5, 4158514636), (10, 2079257318), (17, 1223092540), (20, 1039628659), (34, 611546270), (68, 305773135), (85, 244618508), (170, 122309254), (289, 71946620), (340, 61154627), (578, 35973310), (631, 32951780), (1156, 17986655), (1262, 16475890), (1445, 14389324), (2524, 8237945), (2890, 7194662), (3155, 6590356), (5701, 3647180), (5780, 3597331), (6310, 3295178), (10727, 1938340), (11402, 1823590), (12620, 1647589), (21454, 969170), (22804, 911795), (28505, 729436), (42908, 484585), (53635, 387668), (57010, 364718), (96917, 214540), (107270, 193834), (114020, 182359)]