20802584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6389}}^1$

素因数の和:6443

約数の個数: 32

約数和(自身を含む): 43707600

約数和(自身を除く): 22905016

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6389, 12778, 25556, 51112, 70279, 140558, 236393, 281116, 472786, 562232, 945572, 1891144, 2600323, 5200646, 10401292, 20802584]

約数ペア:

[(1, 20802584), (2, 10401292), (4, 5200646), (8, 2600323), (11, 1891144), (22, 945572), (37, 562232), (44, 472786), (74, 281116), (88, 236393), (148, 140558), (296, 70279), (407, 51112), (814, 25556), (1628, 12778), (3256, 6389)]