20391124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1447}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 38597888

約数和(自身を除く): 18206764

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1447, 2894, 3523, 5788, 7046, 14092, 18811, 37622, 75244, 392137, 784274, 1568548, 5097781, 10195562, 20391124]

約数ペア:

[(1, 20391124), (2, 10195562), (4, 5097781), (13, 1568548), (26, 784274), (52, 392137), (271, 75244), (542, 37622), (1084, 18811), (1447, 14092), (2894, 7046), (3523, 5788)]