20227870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155599}}^1$

素因数の和:155619

約数の個数: 16

約数和(自身を含む): 39211200

約数和(自身を除く): 18983330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155599, 311198, 777995, 1555990, 2022787, 4045574, 10113935, 20227870]

約数ペア:

[(1, 20227870), (2, 10113935), (5, 4045574), (10, 2022787), (13, 1555990), (26, 777995), (65, 311198), (130, 155599)]