20585215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 30948480

約数和(自身を除く): 10363265

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 1193, 2465, 3451, 5965, 8351, 17255, 20281, 34597, 41755, 101405, 141967, 172985, 242179, 588149, 709835, 1210895, 2940745, 4117043, 20585215]

約数ペア:

[(1, 20585215), (5, 4117043), (7, 2940745), (17, 1210895), (29, 709835), (35, 588149), (85, 242179), (119, 172985), (145, 141967), (203, 101405), (493, 41755), (595, 34597), (1015, 20281), (1193, 17255), (2465, 8351), (3451, 5965)]