19875540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331259}}^1$

素因数の和:331271

約数の個数: 24

約数和(自身を含む): 55651680

約数和(自身を除く): 35776140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331259, 662518, 993777, 1325036, 1656295, 1987554, 3312590, 3975108, 4968885, 6625180, 9937770, 19875540]

約数ペア:

[(1, 19875540), (2, 9937770), (3, 6625180), (4, 4968885), (5, 3975108), (6, 3312590), (10, 1987554), (12, 1656295), (15, 1325036), (20, 993777), (30, 662518), (60, 331259)]