20555025

素因数分解:

$3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 34164480

約数和(自身を除く): 13609455

約数列:

[1, 3, 5, 15, 25, 75, 223, 669, 1115, 1229, 3345, 3687, 5575, 6145, 16725, 18435, 30725, 92175, 274067, 822201, 1370335, 4111005, 6851675, 20555025]

約数ペア:

[(1, 20555025), (3, 6851675), (5, 4111005), (15, 1370335), (25, 822201), (75, 274067), (223, 92175), (669, 30725), (1115, 18435), (1229, 16725), (3345, 6145), (3687, 5575)]