20859110

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 38541312

約数和(自身を除く): 17682202

約数列:

[1, 2, 5, 10, 67, 134, 163, 191, 326, 335, 382, 670, 815, 955, 1630, 1910, 10921, 12797, 21842, 25594, 31133, 54605, 62266, 63985, 109210, 127970, 155665, 311330, 2085911, 4171822, 10429555, 20859110]

約数ペア:

[(1, 20859110), (2, 10429555), (5, 4171822), (10, 2085911), (67, 311330), (134, 155665), (163, 127970), (191, 109210), (326, 63985), (335, 62266), (382, 54605), (670, 31133), (815, 25594), (955, 21842), (1630, 12797), (1910, 10921)]