20949207838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1\times {\mathrm{3833}}^1$

素因数の和:10660

約数の個数: 32

約数和(自身を含む): 34946940672

約数和(自身を除く): 13997732834

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 3833, 6781, 7666, 13562, 49829, 88153, 99658, 118823, 176306, 210211, 237646, 420422, 1544699, 2732743, 3089398, 5465486, 25991573, 51983146, 337890449, 675780898, 805738763, 1611477526, 10474603919, 20949207838]

約数ペア:

[(1, 20949207838), (2, 10474603919), (13, 1611477526), (26, 805738763), (31, 675780898), (62, 337890449), (403, 51983146), (806, 25991573), (3833, 5465486), (6781, 3089398), (7666, 2732743), (13562, 1544699), (49829, 420422), (88153, 237646), (99658, 210211), (118823, 176306)]