20427000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 69638400

約数和(自身を除く): 49211400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 619, 660, 750, 825, 1000, 1100, 1238, 1320, 1375, 1500, 1650, 1857, 2200, 2476, 2750, 3000, 3095, 3300, 3714, 4125, 4952, 5500, 6190, 6600, 6809, 7428, 8250, 9285, 11000, 12380, 13618, 14856, 15475, 16500, 18570, 20427, 24760, 27236, 30950, 33000, 34045, 37140, 40854, 46425, 54472, 61900, 68090, 74280, 77375, 81708, 92850, 102135, 123800, 136180, 154750, 163416, 170225, 185700, 204270, 232125, 272360, 309500, 340450, 371400, 408540, 464250, 510675, 619000, 680900, 817080, 851125, 928500, 1021350, 1361800, 1702250, 1857000, 2042700, 2553375, 3404500, 4085400, 5106750, 6809000, 10213500, 20427000]

約数ペア:

[(1, 20427000), (2, 10213500), (3, 6809000), (4, 5106750), (5, 4085400), (6, 3404500), (8, 2553375), (10, 2042700), (11, 1857000), (12, 1702250), (15, 1361800), (20, 1021350), (22, 928500), (24, 851125), (25, 817080), (30, 680900), (33, 619000), (40, 510675), (44, 464250), (50, 408540), (55, 371400), (60, 340450), (66, 309500), (75, 272360), (88, 232125), (100, 204270), (110, 185700), (120, 170225), (125, 163416), (132, 154750), (150, 136180), (165, 123800), (200, 102135), (220, 92850), (250, 81708), (264, 77375), (275, 74280), (300, 68090), (330, 61900), (375, 54472), (440, 46425), (500, 40854), (550, 37140), (600, 34045), (619, 33000), (660, 30950), (750, 27236), (825, 24760), (1000, 20427), (1100, 18570), (1238, 16500), (1320, 15475), (1375, 14856), (1500, 13618), (1650, 12380), (1857, 11000), (2200, 9285), (2476, 8250), (2750, 7428), (3000, 6809), (3095, 6600), (3300, 6190), (3714, 5500), (4125, 4952)]