20013554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9007}}^1$

素因数の和:9121

約数の個数: 16

約数和(自身を含む): 33077376

約数和(自身を除く): 13063822

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9007, 18014, 99077, 198154, 909707, 1819414, 10006777, 20013554]

約数ペア:

[(1, 20013554), (2, 10006777), (11, 1819414), (22, 909707), (101, 198154), (202, 99077), (1111, 18014), (2222, 9007)]