20123701912

素因数分解:

$2^3\times {\mathrm{5581}}^1\times {\mathrm{450719}}^1$

素因数の和:456306

約数の個数: 16

約数和(自身を含む): 37738785600

約数和(自身を除く): 17615083688

約数列:

[1, 2, 4, 8, 5581, 11162, 22324, 44648, 450719, 901438, 1802876, 3605752, 2515462739, 5030925478, 10061850956, 20123701912]

約数ペア:

[(1, 20123701912), (2, 10061850956), (4, 5030925478), (8, 2515462739), (5581, 3605752), (11162, 1802876), (22324, 901438), (44648, 450719)]