20211005920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18045541}}^1$

素因数の和:18045563

約数の個数: 48

約数和(自身を含む): 54569719008

約数和(自身を除く): 34358713088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18045541, 36091082, 72182164, 90227705, 126318787, 144364328, 180455410, 252637574, 288728656, 360910820, 505275148, 577457312, 631593935, 721821640, 1010550296, 1263187870, 1443643280, 2021100592, 2526375740, 2887286560, 4042201184, 5052751480, 10105502960, 20211005920]

約数ペア:

[(1, 20211005920), (2, 10105502960), (4, 5052751480), (5, 4042201184), (7, 2887286560), (8, 2526375740), (10, 2021100592), (14, 1443643280), (16, 1263187870), (20, 1010550296), (28, 721821640), (32, 631593935), (35, 577457312), (40, 505275148), (56, 360910820), (70, 288728656), (80, 252637574), (112, 180455410), (140, 144364328), (160, 126318787), (224, 90227705), (280, 72182164), (560, 36091082), (1120, 18045541)]