20769665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 30668544

約数和(自身を除く): 9898879

約数列:

[1, 5, 7, 17, 35, 67, 85, 119, 335, 469, 521, 595, 1139, 2345, 2605, 3647, 5695, 7973, 8857, 18235, 34907, 39865, 44285, 61999, 174535, 244349, 309995, 593419, 1221745, 2967095, 4153933, 20769665]

約数ペア:

[(1, 20769665), (5, 4153933), (7, 2967095), (17, 1221745), (35, 593419), (67, 309995), (85, 244349), (119, 174535), (335, 61999), (469, 44285), (521, 39865), (595, 34907), (1139, 18235), (2345, 8857), (2605, 7973), (3647, 5695)]