2020003525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{21587}}^1$

素因数の和:21813

約数の個数: 24

約数和(自身を含む): 2650142880

約数和(自身を除く): 630139355

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 3743, 4925, 18715, 21587, 93575, 107935, 410153, 539675, 2050765, 4252639, 10253825, 21263195, 80800141, 106315975, 404000705, 2020003525]

約数ペア:

[(1, 2020003525), (5, 404000705), (19, 106315975), (25, 80800141), (95, 21263195), (197, 10253825), (475, 4252639), (985, 2050765), (3743, 539675), (4925, 410153), (18715, 107935), (21587, 93575)]