20201146580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{545093}}^1$

素因数の和:545228

約数の個数: 48

約数和(自身を含む): 45330017040

約数和(自身を除く): 25128870460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 9265, 18530, 37060, 545093, 1090186, 2180372, 2725465, 5450930, 9266581, 10901860, 18533162, 37066324, 46332905, 59415137, 92665810, 118830274, 185331620, 237660548, 297075685, 594151370, 1010057329, 1188302740, 2020114658, 4040229316, 5050286645, 10100573290, 20201146580]

約数ペア:

[(1, 20201146580), (2, 10100573290), (4, 5050286645), (5, 4040229316), (10, 2020114658), (17, 1188302740), (20, 1010057329), (34, 594151370), (68, 297075685), (85, 237660548), (109, 185331620), (170, 118830274), (218, 92665810), (340, 59415137), (436, 46332905), (545, 37066324), (1090, 18533162), (1853, 10901860), (2180, 9266581), (3706, 5450930), (7412, 2725465), (9265, 2180372), (18530, 1090186), (37060, 545093)]