20945940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349099}}^1$

素因数の和:349111

約数の個数: 24

約数和(自身を含む): 58648800

約数和(自身を除く): 37702860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349099, 698198, 1047297, 1396396, 1745495, 2094594, 3490990, 4189188, 5236485, 6981980, 10472970, 20945940]

約数ペア:

[(1, 20945940), (2, 10472970), (3, 6981980), (4, 5236485), (5, 4189188), (6, 3490990), (10, 2094594), (12, 1745495), (15, 1396396), (20, 1047297), (30, 698198), (60, 349099)]