20711782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3724

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 18769562

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3671, 5642, 7342, 25697, 47723, 51394, 95446, 113801, 227602, 334061, 668122, 796607, 1479413, 1593214, 2958826, 10355891, 20711782]

約数ペア:

[(1, 20711782), (2, 10355891), (7, 2958826), (13, 1593214), (14, 1479413), (26, 796607), (31, 668122), (62, 334061), (91, 227602), (182, 113801), (217, 95446), (403, 51394), (434, 47723), (806, 25697), (2821, 7342), (3671, 5642)]