20993888

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2137}}^1$

素因数の和:2454

約数の個数: 24

約数和(自身を含む): 41485752

約数和(自身を除く): 20491864

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2137, 2456, 4274, 4912, 8548, 9824, 17096, 34192, 68384, 656059, 1312118, 2624236, 5248472, 10496944, 20993888]

約数ペア:

[(1, 20993888), (2, 10496944), (4, 5248472), (8, 2624236), (16, 1312118), (32, 656059), (307, 68384), (614, 34192), (1228, 17096), (2137, 9824), (2456, 8548), (4274, 4912)]