20197776

素因数分解:

$2^4\times 3^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 52344864

約数和(自身を除く): 32147088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 491, 857, 982, 1473, 1714, 1964, 2571, 2946, 3428, 3928, 5142, 5892, 6856, 7856, 10284, 11784, 13712, 20568, 23568, 41136, 420787, 841574, 1262361, 1683148, 2524722, 3366296, 5049444, 6732592, 10098888, 20197776]

約数ペア:

[(1, 20197776), (2, 10098888), (3, 6732592), (4, 5049444), (6, 3366296), (8, 2524722), (12, 1683148), (16, 1262361), (24, 841574), (48, 420787), (491, 41136), (857, 23568), (982, 20568), (1473, 13712), (1714, 11784), (1964, 10284), (2571, 7856), (2946, 6856), (3428, 5892), (3928, 5142)]