20725249779

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4119509}}^1$

素因数の和:4119571

約数の個数: 24

約数和(自身を含む): 32989036080

約数和(自身を除く): 12263786301

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 4119509, 12358527, 37075581, 53553617, 160660851, 177138887, 481982553, 531416661, 1594249983, 2302805531, 6908416593, 20725249779]

約数ペア:

[(1, 20725249779), (3, 6908416593), (9, 2302805531), (13, 1594249983), (39, 531416661), (43, 481982553), (117, 177138887), (129, 160660851), (387, 53553617), (559, 37075581), (1677, 12358527), (5031, 4119509)]