20298832

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21503}}^1$

素因数の和:21570

約数の個数: 20

約数和(自身を含む): 39997440

約数和(自身を除く): 19698608

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21503, 43006, 86012, 172024, 344048, 1268677, 2537354, 5074708, 10149416, 20298832]

約数ペア:

[(1, 20298832), (2, 10149416), (4, 5074708), (8, 2537354), (16, 1268677), (59, 344048), (118, 172024), (236, 86012), (472, 43006), (944, 21503)]