20837770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90599}}^1$

素因数の和:90629

約数の個数: 16

約数和(自身を含む): 39139200

約数和(自身を除く): 18301430

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90599, 181198, 452995, 905990, 2083777, 4167554, 10418885, 20837770]

約数ペア:

[(1, 20837770), (2, 10418885), (5, 4167554), (10, 2083777), (23, 905990), (46, 452995), (115, 181198), (230, 90599)]