20839665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18043}}^1$

素因数の和:18069

約数の個数: 32

約数和(自身を含む): 41573376

約数和(自身を除く): 20733711

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18043, 54129, 90215, 126301, 198473, 270645, 378903, 595419, 631505, 992365, 1389311, 1894515, 2977095, 4167933, 6946555, 20839665]

約数ペア:

[(1, 20839665), (3, 6946555), (5, 4167933), (7, 2977095), (11, 1894515), (15, 1389311), (21, 992365), (33, 631505), (35, 595419), (55, 378903), (77, 270645), (105, 198473), (165, 126301), (231, 90215), (385, 54129), (1155, 18043)]