20137877390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1\times {\mathrm{14929}}^1$

素因数の和:18116

約数の個数: 32

約数和(自身を含む): 37105469280

約数和(自身を除く): 16967591890

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 3137, 6274, 14929, 15685, 29858, 31370, 74645, 134891, 149290, 269782, 641947, 674455, 1283894, 1348910, 3209735, 6419470, 46832273, 93664546, 234161365, 468322730, 2013787739, 4027575478, 10068938695, 20137877390]

約数ペア:

[(1, 20137877390), (2, 10068938695), (5, 4027575478), (10, 2013787739), (43, 468322730), (86, 234161365), (215, 93664546), (430, 46832273), (3137, 6419470), (6274, 3209735), (14929, 1348910), (15685, 1283894), (29858, 674455), (31370, 641947), (74645, 269782), (134891, 149290)]