20603193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 31309824

約数和(自身を除く): 10706631

約数列:

[1, 3, 13, 23, 39, 69, 103, 223, 299, 309, 669, 897, 1339, 2369, 2899, 4017, 5129, 7107, 8697, 15387, 22969, 30797, 66677, 68907, 92391, 200031, 298597, 528287, 895791, 1584861, 6867731, 20603193]

約数ペア:

[(1, 20603193), (3, 6867731), (13, 1584861), (23, 895791), (39, 528287), (69, 298597), (103, 200031), (223, 92391), (299, 68907), (309, 66677), (669, 30797), (897, 22969), (1339, 15387), (2369, 8697), (2899, 7107), (4017, 5129)]