20643854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 39661056

約数和(自身を除く): 19017202

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3623, 5698, 7246, 25361, 39853, 50722, 79706, 134051, 268102, 278971, 557942, 938357, 1474561, 1876714, 2949122, 10321927, 20643854]

約数ペア:

[(1, 20643854), (2, 10321927), (7, 2949122), (11, 1876714), (14, 1474561), (22, 938357), (37, 557942), (74, 278971), (77, 268102), (154, 134051), (259, 79706), (407, 50722), (518, 39853), (814, 25361), (2849, 7246), (3623, 5698)]