20579065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4337}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 26965008

約数和(自身を除く): 6385943

約数列:

[1, 5, 13, 65, 73, 365, 949, 4337, 4745, 21685, 56381, 281905, 316601, 1583005, 4115813, 20579065]

約数ペア:

[(1, 20579065), (5, 4115813), (13, 1583005), (65, 316601), (73, 281905), (365, 56381), (949, 21685), (4337, 4745)]