20878663678

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{12409}}^1$

素因数の和:12976

約数の個数: 32

約数和(自身を含む): 33167462400

約数和(自身を除く): 12288798722

約数列:

[1, 2, 23, 46, 79, 158, 463, 926, 1817, 3634, 10649, 12409, 21298, 24818, 36577, 73154, 285407, 570814, 841271, 980311, 1682542, 1960622, 5745367, 11490734, 22547153, 45094306, 132143441, 264286882, 453883993, 907767986, 10439331839, 20878663678]

約数ペア:

[(1, 20878663678), (2, 10439331839), (23, 907767986), (46, 453883993), (79, 264286882), (158, 132143441), (463, 45094306), (926, 22547153), (1817, 11490734), (3634, 5745367), (10649, 1960622), (12409, 1682542), (21298, 980311), (24818, 841271), (36577, 570814), (73154, 285407)]