20696754910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8379253}}^1$

素因数の和:8379292

約数の個数: 32

約数和(自身を含む): 42231440160

約数和(自身を除く): 21534685250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8379253, 16758506, 41896265, 83792530, 108930289, 159205807, 217860578, 318411614, 544651445, 796029035, 1089302890, 1592058070, 2069675491, 4139350982, 10348377455, 20696754910]

約数ペア:

[(1, 20696754910), (2, 10348377455), (5, 4139350982), (10, 2069675491), (13, 1592058070), (19, 1089302890), (26, 796029035), (38, 544651445), (65, 318411614), (95, 217860578), (130, 159205807), (190, 108930289), (247, 83792530), (494, 41896265), (1235, 16758506), (2470, 8379253)]