20121247993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1151167}}^1$

素因数の和:1151412

約数の個数: 16

約数和(自身を含む): 25196765184

約数和(自身を除く): 5075517191

約数列:

[1, 7, 11, 77, 227, 1589, 2497, 17479, 1151167, 8058169, 12662837, 88639859, 261314909, 1829204363, 2874463999, 20121247993]

約数ペア:

[(1, 20121247993), (7, 2874463999), (11, 1829204363), (77, 261314909), (227, 88639859), (1589, 12662837), (2497, 8058169), (17479, 1151167)]