20708340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345139}}^1$

素因数の和:345151

約数の個数: 24

約数和(自身を含む): 57983520

約数和(自身を除く): 37275180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345139, 690278, 1035417, 1380556, 1725695, 2070834, 3451390, 4141668, 5177085, 6902780, 10354170, 20708340]

約数ペア:

[(1, 20708340), (2, 10354170), (3, 6902780), (4, 5177085), (5, 4141668), (6, 3451390), (10, 2070834), (12, 1725695), (15, 1380556), (20, 1035417), (30, 690278), (60, 345139)]