20563980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342733}}^1$

素因数の和:342745

約数の個数: 24

約数和(自身を含む): 57579312

約数和(自身を除く): 37015332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342733, 685466, 1028199, 1370932, 1713665, 2056398, 3427330, 4112796, 5140995, 6854660, 10281990, 20563980]

約数ペア:

[(1, 20563980), (2, 10281990), (3, 6854660), (4, 5140995), (5, 4112796), (6, 3427330), (10, 2056398), (12, 1713665), (15, 1370932), (20, 1028199), (30, 685466), (60, 342733)]