20645850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137639}}^1$

素因数の和:137654

約数の個数: 24

約数和(自身を含む): 51202080

約数和(自身を除く): 30556230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 137639, 275278, 412917, 688195, 825834, 1376390, 2064585, 3440975, 4129170, 6881950, 10322925, 20645850]

約数ペア:

[(1, 20645850), (2, 10322925), (3, 6881950), (5, 4129170), (6, 3440975), (10, 2064585), (15, 1376390), (25, 825834), (30, 688195), (50, 412917), (75, 275278), (150, 137639)]