20858145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18059}}^1$

素因数の和:18085

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 20752095

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18059, 54177, 90295, 126413, 198649, 270885, 379239, 595947, 632065, 993245, 1390543, 1896195, 2979735, 4171629, 6952715, 20858145]

約数ペア:

[(1, 20858145), (3, 6952715), (5, 4171629), (7, 2979735), (11, 1896195), (15, 1390543), (21, 993245), (33, 632065), (35, 595947), (55, 379239), (77, 270885), (105, 198649), (165, 126413), (231, 90295), (385, 54177), (1155, 18059)]