20165945500

素因数分解:

$2^2\times 5^3\times {\mathrm{2729}}^1\times {\mathrm{14779}}^1$

素因数の和:17527

約数の個数: 48

約数和(自身を含む): 44061544800

約数和(自身を除く): 23895599300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 2729, 5458, 10916, 13645, 14779, 27290, 29558, 54580, 59116, 68225, 73895, 136450, 147790, 272900, 295580, 341125, 369475, 682250, 738950, 1364500, 1477900, 1847375, 3694750, 7389500, 40331891, 80663782, 161327564, 201659455, 403318910, 806637820, 1008297275, 2016594550, 4033189100, 5041486375, 10082972750, 20165945500]

約数ペア:

[(1, 20165945500), (2, 10082972750), (4, 5041486375), (5, 4033189100), (10, 2016594550), (20, 1008297275), (25, 806637820), (50, 403318910), (100, 201659455), (125, 161327564), (250, 80663782), (500, 40331891), (2729, 7389500), (5458, 3694750), (10916, 1847375), (13645, 1477900), (14779, 1364500), (27290, 738950), (29558, 682250), (54580, 369475), (59116, 341125), (68225, 295580), (73895, 272900), (136450, 147790)]