20090642278

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1327517}}^1$

素因数の和:1327596

約数の個数: 32

約数和(自身を含む): 36703217664

約数和(自身を除く): 16612575386

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2162, 7567, 15134, 1327517, 2655034, 9292619, 18585238, 30532891, 61065782, 62393299, 124786598, 213730237, 427460474, 436753093, 873506186, 1435045877, 2870091754, 10045321139, 20090642278]

約数ペア:

[(1, 20090642278), (2, 10045321139), (7, 2870091754), (14, 1435045877), (23, 873506186), (46, 436753093), (47, 427460474), (94, 213730237), (161, 124786598), (322, 62393299), (329, 61065782), (658, 30532891), (1081, 18585238), (2162, 9292619), (7567, 2655034), (15134, 1327517)]