20090576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 42744288

約数和(自身を除く): 22653712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 541, 844, 1082, 1688, 2164, 2321, 3376, 4328, 4642, 5951, 8656, 9284, 11902, 18568, 23804, 37136, 47608, 95216, 114151, 228302, 456604, 913208, 1255661, 1826416, 2511322, 5022644, 10045288, 20090576]

約数ペア:

[(1, 20090576), (2, 10045288), (4, 5022644), (8, 2511322), (11, 1826416), (16, 1255661), (22, 913208), (44, 456604), (88, 228302), (176, 114151), (211, 95216), (422, 47608), (541, 37136), (844, 23804), (1082, 18568), (1688, 11902), (2164, 9284), (2321, 8656), (3376, 5951), (4328, 4642)]