19964940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332749}}^1$

素因数の和:332761

約数の個数: 24

約数和(自身を含む): 55902000

約数和(自身を除く): 35937060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332749, 665498, 998247, 1330996, 1663745, 1996494, 3327490, 3992988, 4991235, 6654980, 9982470, 19964940]

約数ペア:

[(1, 19964940), (2, 9982470), (3, 6654980), (4, 4991235), (5, 3992988), (6, 3327490), (10, 1996494), (12, 1663745), (15, 1330996), (20, 998247), (30, 665498), (60, 332749)]