20280318

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21529}}^1$

素因数の和:21691

約数の個数: 16

約数和(自身を含む): 40820880

約数和(自身を除く): 20540562

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21529, 43058, 64587, 129174, 3380053, 6760106, 10140159, 20280318]

約数ペア:

[(1, 20280318), (2, 10140159), (3, 6760106), (6, 3380053), (157, 129174), (314, 64587), (471, 43058), (942, 21529)]