20512690523

素因数分解:

${\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1\times {\mathrm{1931}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 22401308160

約数和(自身を除く): 1888617637

約数列:

[1, 13, 169, 239, 263, 1931, 3107, 3419, 25103, 40391, 44447, 62857, 326339, 461509, 507853, 817141, 5999617, 6602089, 10622833, 77995021, 85827157, 121376867, 1577899271, 20512690523]

約数ペア:

[(1, 20512690523), (13, 1577899271), (169, 121376867), (239, 85827157), (263, 77995021), (1931, 10622833), (3107, 6602089), (3419, 5999617), (25103, 817141), (40391, 507853), (44447, 461509), (62857, 326339)]