20415693610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8265463}}^1$

素因数の和:8265502

約数の個数: 32

約数和(自身を含む): 41657938560

約数和(自身を除く): 21242244950

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8265463, 16530926, 41327315, 82654630, 107451019, 157043797, 214902038, 314087594, 537255095, 785218985, 1074510190, 1570437970, 2041569361, 4083138722, 10207846805, 20415693610]

約数ペア:

[(1, 20415693610), (2, 10207846805), (5, 4083138722), (10, 2041569361), (13, 1570437970), (19, 1074510190), (26, 785218985), (38, 537255095), (65, 314087594), (95, 214902038), (130, 157043797), (190, 107451019), (247, 82654630), (494, 41327315), (1235, 16530926), (2470, 8265463)]