20988775082

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{18521}}^1\times {\mathrm{51511}}^1$

素因数の和:70045

約数の個数: 16

約数和(自身を含む): 34347789504

約数和(自身を除く): 13359014422

約数列:

[1, 2, 11, 22, 18521, 37042, 51511, 103022, 203731, 407462, 566621, 1133242, 954035231, 1908070462, 10494387541, 20988775082]

約数ペア:

[(1, 20988775082), (2, 10494387541), (11, 1908070462), (22, 954035231), (18521, 1133242), (37042, 566621), (51511, 407462), (103022, 203731)]