20121894628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1000691}}^1$

素因数の和:1001163

約数の個数: 24

約数和(自身を含む): 38498622624

約数和(自身を除く): 18376727996

約数列:

[1, 2, 4, 11, 22, 44, 457, 914, 1828, 5027, 10054, 20108, 1000691, 2001382, 4002764, 11007601, 22015202, 44030404, 457315787, 914631574, 1829263148, 5030473657, 10060947314, 20121894628]

約数ペア:

[(1, 20121894628), (2, 10060947314), (4, 5030473657), (11, 1829263148), (22, 914631574), (44, 457315787), (457, 44030404), (914, 22015202), (1828, 11007601), (5027, 4002764), (10054, 2001382), (20108, 1000691)]