20982658

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 34604928

約数和(自身を除く): 13622270

約数列:

[1, 2, 17, 34, 61, 67, 122, 134, 151, 302, 1037, 1139, 2074, 2278, 2567, 4087, 5134, 8174, 9211, 10117, 18422, 20234, 69479, 138958, 156587, 171989, 313174, 343978, 617137, 1234274, 10491329, 20982658]

約数ペア:

[(1, 20982658), (2, 10491329), (17, 1234274), (34, 617137), (61, 343978), (67, 313174), (122, 171989), (134, 156587), (151, 138958), (302, 69479), (1037, 20234), (1139, 18422), (2074, 10117), (2278, 9211), (2567, 8174), (4087, 5134)]