20233840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22993}}^1$

素因数の和:23017

約数の個数: 40

約数和(自身を含む): 51322608

約数和(自身を除く): 31088768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22993, 45986, 91972, 114965, 183944, 229930, 252923, 367888, 459860, 505846, 919720, 1011692, 1264615, 1839440, 2023384, 2529230, 4046768, 5058460, 10116920, 20233840]

約数ペア:

[(1, 20233840), (2, 10116920), (4, 5058460), (5, 4046768), (8, 2529230), (10, 2023384), (11, 1839440), (16, 1264615), (20, 1011692), (22, 919720), (40, 505846), (44, 459860), (55, 367888), (80, 252923), (88, 229930), (110, 183944), (176, 114965), (220, 91972), (440, 45986), (880, 22993)]