20024920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6337}}^1$

素因数の和:6427

約数の個数: 32

約数和(自身を含む): 45633600

約数和(自身を除く): 25608680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6337, 12674, 25348, 31685, 50696, 63370, 126740, 253480, 500623, 1001246, 2002492, 2503115, 4004984, 5006230, 10012460, 20024920]

約数ペア:

[(1, 20024920), (2, 10012460), (4, 5006230), (5, 4004984), (8, 2503115), (10, 2002492), (20, 1001246), (40, 500623), (79, 253480), (158, 126740), (316, 63370), (395, 50696), (632, 31685), (790, 25348), (1580, 12674), (3160, 6337)]