20815852

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{577}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 37870560

約数和(自身を除く): 17054708

約数列:

[1, 2, 4, 29, 58, 116, 311, 577, 622, 1154, 1244, 2308, 9019, 16733, 18038, 33466, 36076, 66932, 179447, 358894, 717788, 5203963, 10407926, 20815852]

約数ペア:

[(1, 20815852), (2, 10407926), (4, 5203963), (29, 717788), (58, 358894), (116, 179447), (311, 66932), (577, 36076), (622, 33466), (1154, 18038), (1244, 16733), (2308, 9019)]