19975980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332933}}^1$

素因数の和:332945

約数の個数: 24

約数和(自身を含む): 55932912

約数和(自身を除く): 35956932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332933, 665866, 998799, 1331732, 1664665, 1997598, 3329330, 3995196, 4993995, 6658660, 9987990, 19975980]

約数ペア:

[(1, 19975980), (2, 9987990), (3, 6658660), (4, 4993995), (5, 3995196), (6, 3329330), (10, 1997598), (12, 1664665), (15, 1331732), (20, 998799), (30, 665866), (60, 332933)]