20720052

素因数分解:

$2^2\times 3^2\times {\mathrm{575557}}^1$

素因数の和:575567

約数の個数: 18

約数和(自身を含む): 52375778

約数和(自身を除く): 31655726

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 575557, 1151114, 1726671, 2302228, 3453342, 5180013, 6906684, 10360026, 20720052]

約数ペア:

[(1, 20720052), (2, 10360026), (3, 6906684), (4, 5180013), (6, 3453342), (9, 2302228), (12, 1726671), (18, 1151114), (36, 575557)]