20775156905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{2039}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 25719275520

約数和(自身を除く): 4944118615

約数列:

[1, 5, 47, 191, 227, 235, 955, 1135, 2039, 8977, 10195, 10669, 43357, 44885, 53345, 95833, 216785, 389449, 462853, 479165, 1947245, 2037779, 2314265, 10188895, 18304103, 21754091, 88404923, 91520515, 108770455, 442024615, 4155031381, 20775156905]

約数ペア:

[(1, 20775156905), (5, 4155031381), (47, 442024615), (191, 108770455), (227, 91520515), (235, 88404923), (955, 21754091), (1135, 18304103), (2039, 10188895), (8977, 2314265), (10195, 2037779), (10669, 1947245), (43357, 479165), (44885, 462853), (53345, 389449), (95833, 216785)]