20269380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 56952000

約数和(自身を除く): 36682620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 677, 998, 1354, 1497, 1996, 2031, 2495, 2708, 2994, 3385, 4062, 4990, 5988, 6770, 7485, 8124, 9980, 10155, 13540, 14970, 20310, 29940, 40620, 337823, 675646, 1013469, 1351292, 1689115, 2026938, 3378230, 4053876, 5067345, 6756460, 10134690, 20269380]

約数ペア:

[(1, 20269380), (2, 10134690), (3, 6756460), (4, 5067345), (5, 4053876), (6, 3378230), (10, 2026938), (12, 1689115), (15, 1351292), (20, 1013469), (30, 675646), (60, 337823), (499, 40620), (677, 29940), (998, 20310), (1354, 14970), (1497, 13540), (1996, 10155), (2031, 9980), (2495, 8124), (2708, 7485), (2994, 6770), (3385, 5988), (4062, 4990)]