20767725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2797}}^1$

素因数の和:2827

約数の個数: 48

約数和(自身を含む): 41634240

約数和(自身を除く): 20866515

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2797, 7425, 8391, 13985, 25173, 30767, 41955, 69925, 75519, 92301, 125865, 153835, 209775, 276903, 377595, 461505, 629325, 769175, 830709, 1384515, 1887975, 2307525, 4153545, 6922575, 20767725]

約数ペア:

[(1, 20767725), (3, 6922575), (5, 4153545), (9, 2307525), (11, 1887975), (15, 1384515), (25, 830709), (27, 769175), (33, 629325), (45, 461505), (55, 377595), (75, 276903), (99, 209775), (135, 153835), (165, 125865), (225, 92301), (275, 75519), (297, 69925), (495, 41955), (675, 30767), (825, 25173), (1485, 13985), (2475, 8391), (2797, 7425)]