20174821790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13001}}^1\times {\mathrm{5351}}^1$

素因数の和:18388

約数の個数: 32

約数和(自身を含む): 37576820160

約数和(自身を除く): 17401998370

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 5351, 10702, 13001, 26002, 26755, 53510, 65005, 130010, 155179, 310358, 377029, 754058, 775895, 1551790, 1885145, 3770290, 69568351, 139136702, 347841755, 695683510, 2017482179, 4034964358, 10087410895, 20174821790]

約数ペア:

[(1, 20174821790), (2, 10087410895), (5, 4034964358), (10, 2017482179), (29, 695683510), (58, 347841755), (145, 139136702), (290, 69568351), (5351, 3770290), (10702, 1885145), (13001, 1551790), (26002, 775895), (26755, 754058), (53510, 377029), (65005, 310358), (130010, 155179)]