20155254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7867}}^1$

素因数の和:7940

約数の個数: 32

約数和(自身を含む): 46830336

約数和(自身を除く): 26675082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7867, 15734, 23601, 47202, 55069, 110138, 165207, 330414, 479887, 959774, 1439661, 2879322, 3359209, 6718418, 10077627, 20155254]

約数ペア:

[(1, 20155254), (2, 10077627), (3, 6718418), (6, 3359209), (7, 2879322), (14, 1439661), (21, 959774), (42, 479887), (61, 330414), (122, 165207), (183, 110138), (366, 55069), (427, 47202), (854, 23601), (1281, 15734), (2562, 7867)]