20672400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 79709184

約数和(自身を除く): 59036784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 48, 50, 56, 60, 69, 70, 75, 80, 84, 92, 100, 105, 107, 112, 115, 120, 138, 140, 150, 161, 168, 175, 184, 200, 210, 214, 230, 240, 276, 280, 300, 321, 322, 336, 345, 350, 368, 400, 420, 428, 460, 483, 525, 535, 552, 560, 575, 600, 642, 644, 690, 700, 749, 805, 840, 856, 920, 966, 1050, 1070, 1104, 1150, 1200, 1284, 1288, 1380, 1400, 1498, 1605, 1610, 1680, 1712, 1725, 1840, 1932, 2100, 2140, 2247, 2300, 2415, 2461, 2568, 2576, 2675, 2760, 2800, 2996, 3210, 3220, 3450, 3745, 3864, 4025, 4200, 4280, 4494, 4600, 4830, 4922, 5136, 5350, 5520, 5992, 6420, 6440, 6900, 7383, 7490, 7728, 8025, 8050, 8400, 8560, 8988, 9200, 9660, 9844, 10700, 11235, 11984, 12075, 12305, 12840, 12880, 13800, 14766, 14980, 16050, 16100, 17227, 17976, 18725, 19320, 19688, 21400, 22470, 24150, 24610, 25680, 27600, 29532, 29960, 32100, 32200, 34454, 35952, 36915, 37450, 38640, 39376, 42800, 44940, 48300, 49220, 51681, 56175, 59064, 59920, 61525, 64200, 64400, 68908, 73830, 74900, 86135, 89880, 96600, 98440, 103362, 112350, 118128, 123050, 128400, 137816, 147660, 149800, 172270, 179760, 184575, 193200, 196880, 206724, 224700, 246100, 258405, 275632, 295320, 299600, 344540, 369150, 413448, 430675, 449400, 492200, 516810, 590640, 689080, 738300, 826896, 861350, 898800, 984400, 1033620, 1292025, 1378160, 1476600, 1722700, 2067240, 2584050, 2953200, 3445400, 4134480, 5168100, 6890800, 10336200, 20672400]

約数ペア:

[(1, 20672400), (2, 10336200), (3, 6890800), (4, 5168100), (5, 4134480), (6, 3445400), (7, 2953200), (8, 2584050), (10, 2067240), (12, 1722700), (14, 1476600), (15, 1378160), (16, 1292025), (20, 1033620), (21, 984400), (23, 898800), (24, 861350), (25, 826896), (28, 738300), (30, 689080), (35, 590640), (40, 516810), (42, 492200), (46, 449400), (48, 430675), (50, 413448), (56, 369150), (60, 344540), (69, 299600), (70, 295320), (75, 275632), (80, 258405), (84, 246100), (92, 224700), (100, 206724), (105, 196880), (107, 193200), (112, 184575), (115, 179760), (120, 172270), (138, 149800), (140, 147660), (150, 137816), (161, 128400), (168, 123050), (175, 118128), (184, 112350), (200, 103362), (210, 98440), (214, 96600), (230, 89880), (240, 86135), (276, 74900), (280, 73830), (300, 68908), (321, 64400), (322, 64200), (336, 61525), (345, 59920), (350, 59064), (368, 56175), (400, 51681), (420, 49220), (428, 48300), (460, 44940), (483, 42800), (525, 39376), (535, 38640), (552, 37450), (560, 36915), (575, 35952), (600, 34454), (642, 32200), (644, 32100), (690, 29960), (700, 29532), (749, 27600), (805, 25680), (840, 24610), (856, 24150), (920, 22470), (966, 21400), (1050, 19688), (1070, 19320), (1104, 18725), (1150, 17976), (1200, 17227), (1284, 16100), (1288, 16050), (1380, 14980), (1400, 14766), (1498, 13800), (1605, 12880), (1610, 12840), (1680, 12305), (1712, 12075), (1725, 11984), (1840, 11235), (1932, 10700), (2100, 9844), (2140, 9660), (2247, 9200), (2300, 8988), (2415, 8560), (2461, 8400), (2568, 8050), (2576, 8025), (2675, 7728), (2760, 7490), (2800, 7383), (2996, 6900), (3210, 6440), (3220, 6420), (3450, 5992), (3745, 5520), (3864, 5350), (4025, 5136), (4200, 4922), (4280, 4830), (4494, 4600)]