20347910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1637}}^1$

素因数の和:1768

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 19986202

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 1637, 2486, 3274, 6215, 8185, 12430, 16370, 18007, 36014, 90035, 180070, 184981, 369962, 924905, 1849810, 2034791, 4069582, 10173955, 20347910]

約数ペア:

[(1, 20347910), (2, 10173955), (5, 4069582), (10, 2034791), (11, 1849810), (22, 924905), (55, 369962), (110, 184981), (113, 180070), (226, 90035), (565, 36014), (1130, 18007), (1243, 16370), (1637, 12430), (2486, 8185), (3274, 6215)]