20726043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 32288256

約数和(自身を除く): 11562213

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 727, 731, 1677, 2181, 2193, 9451, 9503, 12359, 28353, 28509, 31261, 37077, 93783, 160667, 406393, 482001, 531437, 1219179, 1594311, 6908681, 20726043]

約数ペア:

[(1, 20726043), (3, 6908681), (13, 1594311), (17, 1219179), (39, 531437), (43, 482001), (51, 406393), (129, 160667), (221, 93783), (559, 37077), (663, 31261), (727, 28509), (731, 28353), (1677, 12359), (2181, 9503), (2193, 9451)]