20647510190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{174079}}^1$

素因数の和:174524

約数の個数: 32

約数和(自身を含む): 38541312000

約数和(自身を除く): 17893801810

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 409, 818, 2045, 4090, 11861, 23722, 59305, 118610, 174079, 348158, 870395, 1740790, 5048291, 10096582, 25241455, 50482910, 71198311, 142396622, 355991555, 711983110, 2064751019, 4129502038, 10323755095, 20647510190]

約数ペア:

[(1, 20647510190), (2, 10323755095), (5, 4129502038), (10, 2064751019), (29, 711983110), (58, 355991555), (145, 142396622), (290, 71198311), (409, 50482910), (818, 25241455), (2045, 10096582), (4090, 5048291), (11861, 1740790), (23722, 870395), (59305, 348158), (118610, 174079)]