20249915764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{641551}}^1$

素因数の和:642175

約数の個数: 24

約数和(自身を含む): 38226234368

約数和(自身を除く): 17976318604

約数列:

[1, 2, 4, 13, 26, 52, 607, 1214, 2428, 7891, 15782, 31564, 641551, 1283102, 2566204, 8340163, 16680326, 33360652, 389421457, 778842914, 1557685828, 5062478941, 10124957882, 20249915764]

約数ペア:

[(1, 20249915764), (2, 10124957882), (4, 5062478941), (13, 1557685828), (26, 778842914), (52, 389421457), (607, 33360652), (1214, 16680326), (2428, 8340163), (7891, 2566204), (15782, 1283102), (31564, 641551)]