20227971

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4129}}^1$

素因数の和:4226

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 8318589

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4129, 4899, 12387, 94967, 284901, 293159, 879477, 6742657, 20227971]

約数ペア:

[(1, 20227971), (3, 6742657), (23, 879477), (69, 293159), (71, 284901), (213, 94967), (1633, 12387), (4129, 4899)]