20680942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1249}}^1$

素因数の和:1755

約数の個数: 16

約数和(自身を含む): 32940000

約数和(自身を除く): 12259058

約数列:

[1, 2, 17, 34, 487, 974, 1249, 2498, 8279, 16558, 21233, 42466, 608263, 1216526, 10340471, 20680942]

約数ペア:

[(1, 20680942), (2, 10340471), (17, 1216526), (34, 608263), (487, 42466), (974, 21233), (1249, 16558), (2498, 8279)]