13604420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40013}}^1$

素因数の和:40039

約数の個数: 24

約数和(自身を含む): 30250584

約数和(自身を除く): 16646164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 40013, 80026, 160052, 200065, 400130, 680221, 800260, 1360442, 2720884, 3401105, 6802210, 13604420]

約数ペア:

[(1, 13604420), (2, 6802210), (4, 3401105), (5, 2720884), (10, 1360442), (17, 800260), (20, 680221), (34, 400130), (68, 200065), (85, 160052), (170, 80026), (340, 40013)]