20197260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112207}}^1$

素因数の和:112222

約数の個数: 36

約数和(自身を含む): 61265568

約数和(自身を除く): 41068308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112207, 224414, 336621, 448828, 561035, 673242, 1009863, 1122070, 1346484, 1683105, 2019726, 2244140, 3366210, 4039452, 5049315, 6732420, 10098630, 20197260]

約数ペア:

[(1, 20197260), (2, 10098630), (3, 6732420), (4, 5049315), (5, 4039452), (6, 3366210), (9, 2244140), (10, 2019726), (12, 1683105), (15, 1346484), (18, 1122070), (20, 1009863), (30, 673242), (36, 561035), (45, 448828), (60, 336621), (90, 224414), (180, 112207)]