20156193640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1579639}}^1$

素因数の和:1579690

約数の個数: 64

約数和(自身を含む): 51180336000

約数和(自身を除く): 31024142360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 1579639, 3159278, 6318556, 7898195, 12637112, 15796390, 17376029, 31592780, 34752058, 45809531, 63185560, 69504116, 86880145, 91619062, 139008232, 173760290, 183238124, 229047655, 347520580, 366476248, 458095310, 503904841, 695041160, 916190620, 1007809682, 1832381240, 2015619364, 2519524205, 4031238728, 5039048410, 10078096820, 20156193640]

約数ペア:

[(1, 20156193640), (2, 10078096820), (4, 5039048410), (5, 4031238728), (8, 2519524205), (10, 2015619364), (11, 1832381240), (20, 1007809682), (22, 916190620), (29, 695041160), (40, 503904841), (44, 458095310), (55, 366476248), (58, 347520580), (88, 229047655), (110, 183238124), (116, 173760290), (145, 139008232), (220, 91619062), (232, 86880145), (290, 69504116), (319, 63185560), (440, 45809531), (580, 34752058), (638, 31592780), (1160, 17376029), (1276, 15796390), (1595, 12637112), (2552, 7898195), (3190, 6318556), (6380, 3159278), (12760, 1579639)]