20438630398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{32077}}^1$

素因数の和:32392

約数の個数: 32

約数和(自身を含む): 32519393280

約数和(自身を除く): 12080762882

約数列:

[1, 2, 31, 43, 62, 86, 239, 478, 1333, 2666, 7409, 10277, 14818, 20554, 32077, 64154, 318587, 637174, 994387, 1379311, 1988774, 2758622, 7666403, 15332806, 42758641, 85517282, 237658493, 329655329, 475316986, 659310658, 10219315199, 20438630398]

約数ペア:

[(1, 20438630398), (2, 10219315199), (31, 659310658), (43, 475316986), (62, 329655329), (86, 237658493), (239, 85517282), (478, 42758641), (1333, 15332806), (2666, 7666403), (7409, 2758622), (10277, 1988774), (14818, 1379311), (20554, 994387), (32077, 637174), (64154, 318587)]