20445596

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14159}}^1$

素因数の和:14201

約数の個数: 18

約数和(自身を含む): 37764720

約数和(自身を除く): 17319124

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14159, 28318, 56636, 269021, 538042, 1076084, 5111399, 10222798, 20445596]

約数ペア:

[(1, 20445596), (2, 10222798), (4, 5111399), (19, 1076084), (38, 538042), (76, 269021), (361, 56636), (722, 28318), (1444, 14159)]