20172420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112069}}^1$

素因数の和:112084

約数の個数: 36

約数和(自身を含む): 61190220

約数和(自身を除く): 41017800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112069, 224138, 336207, 448276, 560345, 672414, 1008621, 1120690, 1344828, 1681035, 2017242, 2241380, 3362070, 4034484, 5043105, 6724140, 10086210, 20172420]

約数ペア:

[(1, 20172420), (2, 10086210), (3, 6724140), (4, 5043105), (5, 4034484), (6, 3362070), (9, 2241380), (10, 2017242), (12, 1681035), (15, 1344828), (18, 1120690), (20, 1008621), (30, 672414), (36, 560345), (45, 448276), (60, 336207), (90, 224138), (180, 112069)]