20978752

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2186

約数の個数: 28

約数和(自身を含む): 41905936

約数和(自身を除く): 20927184

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 326, 652, 1304, 2011, 2608, 4022, 5216, 8044, 10432, 16088, 32176, 64352, 128704, 327793, 655586, 1311172, 2622344, 5244688, 10489376, 20978752]

約数ペア:

[(1, 20978752), (2, 10489376), (4, 5244688), (8, 2622344), (16, 1311172), (32, 655586), (64, 327793), (163, 128704), (326, 64352), (652, 32176), (1304, 16088), (2011, 10432), (2608, 8044), (4022, 5216)]