20889448

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11503}}^1$

素因数の和:11736

約数の個数: 16

約数和(自身を含む): 39343680

約数和(自身を除く): 18454232

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11503, 23006, 46012, 92024, 2611181, 5222362, 10444724, 20889448]

約数ペア:

[(1, 20889448), (2, 10444724), (4, 5222362), (8, 2611181), (227, 92024), (454, 46012), (908, 23006), (1816, 11503)]