20797264625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{12821}}^1$

素因数の和:13538

約数の個数: 32

約数和(自身を含む): 27363173760

約数和(自身を除く): 6565909135

約数列:

[1, 5, 19, 25, 95, 125, 475, 683, 2375, 3415, 12821, 12977, 17075, 64105, 64885, 85375, 243599, 320525, 324425, 1217995, 1602625, 1622125, 6089975, 8756743, 30449875, 43783715, 166378117, 218918575, 831890585, 1094592875, 4159452925, 20797264625]

約数ペア:

[(1, 20797264625), (5, 4159452925), (19, 1094592875), (25, 831890585), (95, 218918575), (125, 166378117), (475, 43783715), (683, 30449875), (2375, 8756743), (3415, 6089975), (12821, 1622125), (12977, 1602625), (17075, 1217995), (64105, 324425), (64885, 320525), (85375, 243599)]