20716860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{769}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 37495140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 769, 898, 1347, 1538, 1796, 2245, 2307, 2694, 3076, 3845, 4490, 4614, 5388, 6735, 7690, 8980, 9228, 11535, 13470, 15380, 23070, 26940, 46140, 345281, 690562, 1035843, 1381124, 1726405, 2071686, 3452810, 4143372, 5179215, 6905620, 10358430, 20716860]

約数ペア:

[(1, 20716860), (2, 10358430), (3, 6905620), (4, 5179215), (5, 4143372), (6, 3452810), (10, 2071686), (12, 1726405), (15, 1381124), (20, 1035843), (30, 690562), (60, 345281), (449, 46140), (769, 26940), (898, 23070), (1347, 15380), (1538, 13470), (1796, 11535), (2245, 9228), (2307, 8980), (2694, 7690), (3076, 6735), (3845, 5388), (4490, 4614)]