20222397

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 31615584

約数和(自身を除く): 11393187

約数列:

[1, 3, 9, 13, 39, 117, 307, 563, 921, 1689, 2763, 3991, 5067, 7319, 11973, 21957, 35919, 65871, 172841, 518523, 1555569, 2246933, 6740799, 20222397]

約数ペア:

[(1, 20222397), (3, 6740799), (9, 2246933), (13, 1555569), (39, 518523), (117, 172841), (307, 65871), (563, 35919), (921, 21957), (1689, 11973), (2763, 7319), (3991, 5067)]