20494804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1229}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 39261600

約数和(自身を除く): 18766796

約数列:

[1, 2, 4, 11, 22, 44, 379, 758, 1229, 1516, 2458, 4169, 4916, 8338, 13519, 16676, 27038, 54076, 465791, 931582, 1863164, 5123701, 10247402, 20494804]

約数ペア:

[(1, 20494804), (2, 10247402), (4, 5123701), (11, 1863164), (22, 931582), (44, 465791), (379, 54076), (758, 27038), (1229, 16676), (1516, 13519), (2458, 8338), (4169, 4916)]