20407773190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{559577}}^1$

素因数の和:560112

約数の個数: 32

約数和(自身を含む): 42062359104

約数和(自身を除く): 21654585914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 2605, 3647, 5210, 7294, 18235, 36470, 559577, 1119154, 2797885, 3917039, 5595770, 7834078, 19585195, 39170390, 291539617, 583079234, 1457698085, 2040777319, 2915396170, 4081554638, 10203886595, 20407773190]

約数ペア:

[(1, 20407773190), (2, 10203886595), (5, 4081554638), (7, 2915396170), (10, 2040777319), (14, 1457698085), (35, 583079234), (70, 291539617), (521, 39170390), (1042, 19585195), (2605, 7834078), (3647, 5595770), (5210, 3917039), (7294, 2797885), (18235, 1119154), (36470, 559577)]