20147395077

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{197}}^1\times {\mathrm{21481}}^1$

素因数の和:21730

約数の個数: 36

約数和(自身を含む): 30577951404

約数和(自身を除く): 10430556327

約数列:

[1, 3, 9, 23, 69, 197, 207, 529, 591, 1587, 1773, 4531, 4761, 13593, 21481, 40779, 64443, 104213, 193329, 312639, 494063, 937917, 1482189, 4231757, 4446567, 11363449, 12695271, 34090347, 38085813, 97330411, 102271041, 291991233, 875973699, 2238599453, 6715798359, 20147395077]

約数ペア:

[(1, 20147395077), (3, 6715798359), (9, 2238599453), (23, 875973699), (69, 291991233), (197, 102271041), (207, 97330411), (529, 38085813), (591, 34090347), (1587, 12695271), (1773, 11363449), (4531, 4446567), (4761, 4231757), (13593, 1482189), (21481, 937917), (40779, 494063), (64443, 312639), (104213, 193329)]