20808670458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{658961}}^1$

素因数の和:659262

約数の個数: 32

約数和(自身を含む): 43965944640

約数和(自身を除く): 23157274182

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 277, 554, 831, 1662, 5263, 10526, 15789, 31578, 658961, 1317922, 1976883, 3953766, 12520259, 25040518, 37560777, 75121554, 182532197, 365064394, 547596591, 1095193182, 3468111743, 6936223486, 10404335229, 20808670458]

約数ペア:

[(1, 20808670458), (2, 10404335229), (3, 6936223486), (6, 3468111743), (19, 1095193182), (38, 547596591), (57, 365064394), (114, 182532197), (277, 75121554), (554, 37560777), (831, 25040518), (1662, 12520259), (5263, 3953766), (10526, 1976883), (15789, 1317922), (31578, 658961)]