20862856

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3617}}^1$

素因数の和:3733

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 24289784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3617, 5768, 7234, 14468, 25319, 28936, 50638, 101276, 202552, 372551, 745102, 1490204, 2607857, 2980408, 5215714, 10431428, 20862856]

約数ペア:

[(1, 20862856), (2, 10431428), (4, 5215714), (7, 2980408), (8, 2607857), (14, 1490204), (28, 745102), (56, 372551), (103, 202552), (206, 101276), (412, 50638), (721, 28936), (824, 25319), (1442, 14468), (2884, 7234), (3617, 5768)]