20138087851

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{319901}}^1$

素因数の和:319971

約数の個数: 24

約数和(自身を含む): 25474436064

約数和(自身を除く): 5336348213

約数列:

[1, 7, 17, 23, 119, 161, 391, 529, 2737, 3703, 8993, 62951, 319901, 2239307, 5438317, 7357723, 38068219, 51504061, 125081291, 169227629, 875569037, 1184593403, 2876869693, 20138087851]

約数ペア:

[(1, 20138087851), (7, 2876869693), (17, 1184593403), (23, 875569037), (119, 169227629), (161, 125081291), (391, 51504061), (529, 38068219), (2737, 7357723), (3703, 5438317), (8993, 2239307), (62951, 319901)]