20371604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6521}}^1$

素因数の和:6607

約数の個数: 24

約数和(自身を含む): 39445056

約数和(自身を除く): 19073452

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6521, 13042, 26084, 71731, 143462, 286924, 462991, 925982, 1851964, 5092901, 10185802, 20371604]

約数ペア:

[(1, 20371604), (2, 10185802), (4, 5092901), (11, 1851964), (22, 925982), (44, 462991), (71, 286924), (142, 143462), (284, 71731), (781, 26084), (1562, 13042), (3124, 6521)]