20884750

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 39443040

約数和(自身を除く): 18558290

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 601, 695, 1202, 1390, 3005, 3475, 6010, 6950, 15025, 17375, 30050, 34750, 75125, 83539, 150250, 167078, 417695, 835390, 2088475, 4176950, 10442375, 20884750]

約数ペア:

[(1, 20884750), (2, 10442375), (5, 4176950), (10, 2088475), (25, 835390), (50, 417695), (125, 167078), (139, 150250), (250, 83539), (278, 75125), (601, 34750), (695, 30050), (1202, 17375), (1390, 15025), (3005, 6950), (3475, 6010)]