20155965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79043}}^1$

素因数の和:79068

約数の個数: 16

約数和(自身を含む): 34147008

約数和(自身を除く): 13991043

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79043, 237129, 395215, 1185645, 1343731, 4031193, 6718655, 20155965]

約数ペア:

[(1, 20155965), (3, 6718655), (5, 4031193), (15, 1343731), (17, 1185645), (51, 395215), (85, 237129), (255, 79043)]