20998758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8599}}^1$

素因数の和:8652

約数の個数: 32

約数和(自身を含む): 47059200

約数和(自身を除く): 26060442

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8599, 17198, 25797, 51594, 94589, 189178, 283767, 318163, 567534, 636326, 954489, 1908978, 3499793, 6999586, 10499379, 20998758]

約数ペア:

[(1, 20998758), (2, 10499379), (3, 6999586), (6, 3499793), (11, 1908978), (22, 954489), (33, 636326), (37, 567534), (66, 318163), (74, 283767), (111, 189178), (222, 94589), (407, 51594), (814, 25797), (1221, 17198), (2442, 8599)]