20808996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133391}}^1$

素因数の和:133411

約数の個数: 24

約数和(自身を含む): 52289664

約数和(自身を除く): 31480668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133391, 266782, 400173, 533564, 800346, 1600692, 1734083, 3468166, 5202249, 6936332, 10404498, 20808996]

約数ペア:

[(1, 20808996), (2, 10404498), (3, 6936332), (4, 5202249), (6, 3468166), (12, 1734083), (13, 1600692), (26, 800346), (39, 533564), (52, 400173), (78, 266782), (156, 133391)]