20643910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7193}}^1$

素因数の和:7248

約数の個数: 32

約数和(自身を含む): 43509312

約数和(自身を除く): 22865402

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7193, 14386, 35965, 50351, 71930, 100702, 251755, 294913, 503510, 589826, 1474565, 2064391, 2949130, 4128782, 10321955, 20643910]

約数ペア:

[(1, 20643910), (2, 10321955), (5, 4128782), (7, 2949130), (10, 2064391), (14, 1474565), (35, 589826), (41, 503510), (70, 294913), (82, 251755), (205, 100702), (287, 71930), (410, 50351), (574, 35965), (1435, 14386), (2870, 7193)]