20254680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56263}}^1$

素因数の和:56280

約数の個数: 48

約数和(自身を含む): 65828880

約数和(自身を除く): 45574200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56263, 112526, 168789, 225052, 281315, 337578, 450104, 506367, 562630, 675156, 843945, 1012734, 1125260, 1350312, 1687890, 2025468, 2250520, 2531835, 3375780, 4050936, 5063670, 6751560, 10127340, 20254680]

約数ペア:

[(1, 20254680), (2, 10127340), (3, 6751560), (4, 5063670), (5, 4050936), (6, 3375780), (8, 2531835), (9, 2250520), (10, 2025468), (12, 1687890), (15, 1350312), (18, 1125260), (20, 1012734), (24, 843945), (30, 675156), (36, 562630), (40, 506367), (45, 450104), (60, 337578), (72, 281315), (90, 225052), (120, 168789), (180, 112526), (360, 56263)]