20485996

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 36810144

約数和(自身を除く): 16324148

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 743, 1486, 2972, 6893, 13786, 27572, 45323, 83959, 90646, 167918, 181292, 335836, 5121499, 10242998, 20485996]

約数ペア:

[(1, 20485996), (2, 10242998), (4, 5121499), (61, 335836), (113, 181292), (122, 167918), (226, 90646), (244, 83959), (452, 45323), (743, 27572), (1486, 13786), (2972, 6893)]