20889000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 77388480

約数和(自身を除く): 56499480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 125, 132, 150, 165, 180, 198, 200, 211, 220, 225, 250, 264, 275, 300, 330, 360, 375, 396, 422, 440, 450, 495, 500, 550, 600, 633, 660, 750, 792, 825, 844, 900, 990, 1000, 1055, 1100, 1125, 1266, 1320, 1375, 1500, 1650, 1688, 1800, 1899, 1980, 2110, 2200, 2250, 2321, 2475, 2532, 2750, 3000, 3165, 3300, 3798, 3960, 4125, 4220, 4500, 4642, 4950, 5064, 5275, 5500, 6330, 6600, 6963, 7596, 8250, 8440, 9000, 9284, 9495, 9900, 10550, 11000, 11605, 12375, 12660, 13926, 15192, 15825, 16500, 18568, 18990, 19800, 20889, 21100, 23210, 24750, 25320, 26375, 27852, 31650, 33000, 34815, 37980, 41778, 42200, 46420, 47475, 49500, 52750, 55704, 58025, 63300, 69630, 75960, 79125, 83556, 92840, 94950, 99000, 104445, 105500, 116050, 126600, 139260, 158250, 167112, 174075, 189900, 208890, 211000, 232100, 237375, 278520, 290125, 316500, 348150, 379800, 417780, 464200, 474750, 522225, 580250, 633000, 696300, 835560, 870375, 949500, 1044450, 1160500, 1392600, 1740750, 1899000, 2088900, 2321000, 2611125, 3481500, 4177800, 5222250, 6963000, 10444500, 20889000]

約数ペア:

[(1, 20889000), (2, 10444500), (3, 6963000), (4, 5222250), (5, 4177800), (6, 3481500), (8, 2611125), (9, 2321000), (10, 2088900), (11, 1899000), (12, 1740750), (15, 1392600), (18, 1160500), (20, 1044450), (22, 949500), (24, 870375), (25, 835560), (30, 696300), (33, 633000), (36, 580250), (40, 522225), (44, 474750), (45, 464200), (50, 417780), (55, 379800), (60, 348150), (66, 316500), (72, 290125), (75, 278520), (88, 237375), (90, 232100), (99, 211000), (100, 208890), (110, 189900), (120, 174075), (125, 167112), (132, 158250), (150, 139260), (165, 126600), (180, 116050), (198, 105500), (200, 104445), (211, 99000), (220, 94950), (225, 92840), (250, 83556), (264, 79125), (275, 75960), (300, 69630), (330, 63300), (360, 58025), (375, 55704), (396, 52750), (422, 49500), (440, 47475), (450, 46420), (495, 42200), (500, 41778), (550, 37980), (600, 34815), (633, 33000), (660, 31650), (750, 27852), (792, 26375), (825, 25320), (844, 24750), (900, 23210), (990, 21100), (1000, 20889), (1055, 19800), (1100, 18990), (1125, 18568), (1266, 16500), (1320, 15825), (1375, 15192), (1500, 13926), (1650, 12660), (1688, 12375), (1800, 11605), (1899, 11000), (1980, 10550), (2110, 9900), (2200, 9495), (2250, 9284), (2321, 9000), (2475, 8440), (2532, 8250), (2750, 7596), (3000, 6963), (3165, 6600), (3300, 6330), (3798, 5500), (3960, 5275), (4125, 5064), (4220, 4950), (4500, 4642)]