20400182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9181}}^1$

素因数の和:9295

約数の個数: 16

約数和(自身を含む): 33716304

約数和(自身を除く): 13316122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9181, 18362, 100991, 201982, 927281, 1854562, 10200091, 20400182]

約数ペア:

[(1, 20400182), (2, 10200091), (11, 1854562), (22, 927281), (101, 201982), (202, 100991), (1111, 18362), (2222, 9181)]