20313000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 71669520

約数和(自身を除く): 51356520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 37, 40, 45, 50, 60, 61, 72, 74, 75, 90, 100, 111, 120, 122, 125, 148, 150, 180, 183, 185, 200, 222, 225, 244, 250, 296, 300, 305, 333, 360, 366, 370, 375, 444, 450, 488, 500, 549, 555, 600, 610, 666, 732, 740, 750, 888, 900, 915, 925, 1000, 1098, 1110, 1125, 1220, 1332, 1464, 1480, 1500, 1525, 1665, 1800, 1830, 1850, 2196, 2220, 2250, 2257, 2440, 2664, 2745, 2775, 3000, 3050, 3330, 3660, 3700, 4392, 4440, 4500, 4514, 4575, 4625, 5490, 5550, 6100, 6660, 6771, 7320, 7400, 7625, 8325, 9000, 9028, 9150, 9250, 10980, 11100, 11285, 12200, 13320, 13542, 13725, 13875, 15250, 16650, 18056, 18300, 18500, 20313, 21960, 22200, 22570, 22875, 27084, 27450, 27750, 30500, 33300, 33855, 36600, 37000, 40626, 41625, 45140, 45750, 54168, 54900, 55500, 56425, 61000, 66600, 67710, 68625, 81252, 83250, 90280, 91500, 101565, 109800, 111000, 112850, 135420, 137250, 162504, 166500, 169275, 183000, 203130, 225700, 270840, 274500, 282125, 333000, 338550, 406260, 451400, 507825, 549000, 564250, 677100, 812520, 846375, 1015650, 1128500, 1354200, 1692750, 2031300, 2257000, 2539125, 3385500, 4062600, 5078250, 6771000, 10156500, 20313000]

約数ペア:

[(1, 20313000), (2, 10156500), (3, 6771000), (4, 5078250), (5, 4062600), (6, 3385500), (8, 2539125), (9, 2257000), (10, 2031300), (12, 1692750), (15, 1354200), (18, 1128500), (20, 1015650), (24, 846375), (25, 812520), (30, 677100), (36, 564250), (37, 549000), (40, 507825), (45, 451400), (50, 406260), (60, 338550), (61, 333000), (72, 282125), (74, 274500), (75, 270840), (90, 225700), (100, 203130), (111, 183000), (120, 169275), (122, 166500), (125, 162504), (148, 137250), (150, 135420), (180, 112850), (183, 111000), (185, 109800), (200, 101565), (222, 91500), (225, 90280), (244, 83250), (250, 81252), (296, 68625), (300, 67710), (305, 66600), (333, 61000), (360, 56425), (366, 55500), (370, 54900), (375, 54168), (444, 45750), (450, 45140), (488, 41625), (500, 40626), (549, 37000), (555, 36600), (600, 33855), (610, 33300), (666, 30500), (732, 27750), (740, 27450), (750, 27084), (888, 22875), (900, 22570), (915, 22200), (925, 21960), (1000, 20313), (1098, 18500), (1110, 18300), (1125, 18056), (1220, 16650), (1332, 15250), (1464, 13875), (1480, 13725), (1500, 13542), (1525, 13320), (1665, 12200), (1800, 11285), (1830, 11100), (1850, 10980), (2196, 9250), (2220, 9150), (2250, 9028), (2257, 9000), (2440, 8325), (2664, 7625), (2745, 7400), (2775, 7320), (3000, 6771), (3050, 6660), (3330, 6100), (3660, 5550), (3700, 5490), (4392, 4625), (4440, 4575), (4500, 4514)]