20119476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128971}}^1$

素因数の和:128991

約数の個数: 24

約数和(自身を含む): 50557024

約数和(自身を除く): 30437548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128971, 257942, 386913, 515884, 773826, 1547652, 1676623, 3353246, 5029869, 6706492, 10059738, 20119476]

約数ペア:

[(1, 20119476), (2, 10059738), (3, 6706492), (4, 5029869), (6, 3353246), (12, 1676623), (13, 1547652), (26, 773826), (39, 515884), (52, 386913), (78, 257942), (156, 128971)]