20023570945

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4301519}}^1$

素因数の和:4301557

約数の個数: 24

約数和(自身を含む): 29422396800

約数和(自身を除く): 9398825855

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 4301519, 21507595, 30110633, 81728861, 150553165, 210774431, 408644305, 572102027, 1053872155, 2860510135, 4004714189, 20023570945]

約数ペア:

[(1, 20023570945), (5, 4004714189), (7, 2860510135), (19, 1053872155), (35, 572102027), (49, 408644305), (95, 210774431), (133, 150553165), (245, 81728861), (665, 30110633), (931, 21507595), (4655, 4301519)]