20195288281

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1\times {\mathrm{1907}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 23888037888

約数和(自身を除く): 3692749607

約数列:

[1, 7, 43, 151, 233, 301, 1057, 1631, 1907, 6493, 10019, 13349, 35183, 45451, 70133, 82001, 246281, 287957, 444331, 574007, 1512869, 2015699, 3110317, 10590083, 12382151, 19106233, 67093981, 86675057, 133743631, 469657867, 2885041183, 20195288281]

約数ペア:

[(1, 20195288281), (7, 2885041183), (43, 469657867), (151, 133743631), (233, 86675057), (301, 67093981), (1057, 19106233), (1631, 12382151), (1907, 10590083), (6493, 3110317), (10019, 2015699), (13349, 1512869), (35183, 574007), (45451, 444331), (70133, 287957), (82001, 246281)]