20777625

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 43220736

約数和(自身を除く): 22443111

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 73, 75, 99, 115, 125, 165, 207, 219, 225, 253, 275, 345, 365, 375, 495, 575, 657, 759, 803, 825, 1035, 1095, 1125, 1265, 1375, 1679, 1725, 1825, 2277, 2409, 2475, 2875, 3285, 3795, 4015, 4125, 5037, 5175, 5475, 6325, 7227, 8395, 8625, 9125, 11385, 12045, 12375, 15111, 16425, 18469, 18975, 20075, 25185, 25875, 27375, 31625, 36135, 41975, 55407, 56925, 60225, 75555, 82125, 92345, 94875, 100375, 125925, 166221, 180675, 209875, 277035, 284625, 301125, 377775, 461725, 629625, 831105, 903375, 1385175, 1888875, 2308625, 4155525, 6925875, 20777625]

約数ペア:

[(1, 20777625), (3, 6925875), (5, 4155525), (9, 2308625), (11, 1888875), (15, 1385175), (23, 903375), (25, 831105), (33, 629625), (45, 461725), (55, 377775), (69, 301125), (73, 284625), (75, 277035), (99, 209875), (115, 180675), (125, 166221), (165, 125925), (207, 100375), (219, 94875), (225, 92345), (253, 82125), (275, 75555), (345, 60225), (365, 56925), (375, 55407), (495, 41975), (575, 36135), (657, 31625), (759, 27375), (803, 25875), (825, 25185), (1035, 20075), (1095, 18975), (1125, 18469), (1265, 16425), (1375, 15111), (1679, 12375), (1725, 12045), (1825, 11385), (2277, 9125), (2409, 8625), (2475, 8395), (2875, 7227), (3285, 6325), (3795, 5475), (4015, 5175), (4125, 5037)]