20960872

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 19629848

約数列:

[1, 2, 4, 8, 47, 94, 107, 188, 214, 376, 428, 521, 856, 1042, 2084, 4168, 5029, 10058, 20116, 24487, 40232, 48974, 55747, 97948, 111494, 195896, 222988, 445976, 2620109, 5240218, 10480436, 20960872]

約数ペア:

[(1, 20960872), (2, 10480436), (4, 5240218), (8, 2620109), (47, 445976), (94, 222988), (107, 195896), (188, 111494), (214, 97948), (376, 55747), (428, 48974), (521, 40232), (856, 24487), (1042, 20116), (2084, 10058), (4168, 5029)]