20968638

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20201}}^1$

素因数の和:20379

約数の個数: 16

約数和(自身を含む): 42181776

約数和(自身を除く): 21213138

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20201, 40402, 60603, 121206, 3494773, 6989546, 10484319, 20968638]

約数ペア:

[(1, 20968638), (2, 10484319), (3, 6989546), (6, 3494773), (173, 121206), (346, 60603), (519, 40402), (1038, 20201)]