20269670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88129}}^1$

素因数の和:88159

約数の個数: 16

約数和(自身を含む): 38072160

約数和(自身を除く): 17802490

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 88129, 176258, 440645, 881290, 2026967, 4053934, 10134835, 20269670]

約数ペア:

[(1, 20269670), (2, 10134835), (5, 4053934), (10, 2026967), (23, 881290), (46, 440645), (115, 176258), (230, 88129)]