20456077825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{54721}}^1$

素因数の和:55537

約数の個数: 24

約数和(自身を含む): 26734980320

約数和(自身を除く): 6278902495

約数列:

[1, 5, 19, 25, 95, 475, 787, 3935, 14953, 19675, 54721, 74765, 273605, 373825, 1039699, 1368025, 5198495, 25992475, 43065427, 215327135, 818243113, 1076635675, 4091215565, 20456077825]

約数ペア:

[(1, 20456077825), (5, 4091215565), (19, 1076635675), (25, 818243113), (95, 215327135), (475, 43065427), (787, 25992475), (3935, 5198495), (14953, 1368025), (19675, 1039699), (54721, 373825), (74765, 273605)]