20893264

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1847}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 46747008

約数和(自身を除く): 25853744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 1847, 2828, 3694, 5656, 7388, 11312, 12929, 14776, 25858, 29552, 51716, 103432, 186547, 206864, 373094, 746188, 1305829, 1492376, 2611658, 2984752, 5223316, 10446632, 20893264]

約数ペア:

[(1, 20893264), (2, 10446632), (4, 5223316), (7, 2984752), (8, 2611658), (14, 1492376), (16, 1305829), (28, 746188), (56, 373094), (101, 206864), (112, 186547), (202, 103432), (404, 51716), (707, 29552), (808, 25858), (1414, 14776), (1616, 12929), (1847, 11312), (2828, 7388), (3694, 5656)]