20218110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 33156354

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 197, 311, 330, 394, 591, 622, 933, 985, 1182, 1555, 1866, 1970, 2167, 2955, 3110, 3421, 4334, 4665, 5910, 6501, 6842, 9330, 10263, 10835, 13002, 17105, 20526, 21670, 32505, 34210, 51315, 61267, 65010, 102630, 122534, 183801, 306335, 367602, 612670, 673937, 919005, 1347874, 1838010, 2021811, 3369685, 4043622, 6739370, 10109055, 20218110]

約数ペア:

[(1, 20218110), (2, 10109055), (3, 6739370), (5, 4043622), (6, 3369685), (10, 2021811), (11, 1838010), (15, 1347874), (22, 919005), (30, 673937), (33, 612670), (55, 367602), (66, 306335), (110, 183801), (165, 122534), (197, 102630), (311, 65010), (330, 61267), (394, 51315), (591, 34210), (622, 32505), (933, 21670), (985, 20526), (1182, 17105), (1555, 13002), (1866, 10835), (1970, 10263), (2167, 9330), (2955, 6842), (3110, 6501), (3421, 5910), (4334, 4665)]