20319600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 77495040

約数和(自身を除く): 57175440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 41, 42, 48, 50, 56, 59, 60, 70, 75, 80, 82, 84, 100, 105, 112, 118, 120, 123, 140, 150, 164, 168, 175, 177, 200, 205, 210, 236, 240, 246, 280, 287, 295, 300, 328, 336, 350, 354, 400, 410, 413, 420, 472, 492, 525, 560, 574, 590, 600, 615, 656, 700, 708, 820, 826, 840, 861, 885, 944, 984, 1025, 1050, 1148, 1180, 1200, 1230, 1239, 1400, 1416, 1435, 1475, 1640, 1652, 1680, 1722, 1770, 1968, 2050, 2065, 2100, 2296, 2360, 2419, 2460, 2478, 2800, 2832, 2870, 2950, 3075, 3280, 3304, 3444, 3540, 4100, 4130, 4200, 4305, 4425, 4592, 4720, 4838, 4920, 4956, 5740, 5900, 6150, 6195, 6608, 6888, 7080, 7175, 7257, 8200, 8260, 8400, 8610, 8850, 9676, 9840, 9912, 10325, 11480, 11800, 12095, 12300, 12390, 13776, 14160, 14350, 14514, 16400, 16520, 16933, 17220, 17700, 19352, 19824, 20650, 21525, 22960, 23600, 24190, 24600, 24780, 28700, 29028, 30975, 33040, 33866, 34440, 35400, 36285, 38704, 41300, 43050, 48380, 49200, 49560, 50799, 57400, 58056, 60475, 61950, 67732, 68880, 70800, 72570, 82600, 84665, 86100, 96760, 99120, 101598, 114800, 116112, 120950, 123900, 135464, 145140, 165200, 169330, 172200, 181425, 193520, 203196, 241900, 247800, 253995, 270928, 290280, 338660, 344400, 362850, 406392, 423325, 483800, 495600, 507990, 580560, 677320, 725700, 812784, 846650, 967600, 1015980, 1269975, 1354640, 1451400, 1693300, 2031960, 2539950, 2902800, 3386600, 4063920, 5079900, 6773200, 10159800, 20319600]

約数ペア:

[(1, 20319600), (2, 10159800), (3, 6773200), (4, 5079900), (5, 4063920), (6, 3386600), (7, 2902800), (8, 2539950), (10, 2031960), (12, 1693300), (14, 1451400), (15, 1354640), (16, 1269975), (20, 1015980), (21, 967600), (24, 846650), (25, 812784), (28, 725700), (30, 677320), (35, 580560), (40, 507990), (41, 495600), (42, 483800), (48, 423325), (50, 406392), (56, 362850), (59, 344400), (60, 338660), (70, 290280), (75, 270928), (80, 253995), (82, 247800), (84, 241900), (100, 203196), (105, 193520), (112, 181425), (118, 172200), (120, 169330), (123, 165200), (140, 145140), (150, 135464), (164, 123900), (168, 120950), (175, 116112), (177, 114800), (200, 101598), (205, 99120), (210, 96760), (236, 86100), (240, 84665), (246, 82600), (280, 72570), (287, 70800), (295, 68880), (300, 67732), (328, 61950), (336, 60475), (350, 58056), (354, 57400), (400, 50799), (410, 49560), (413, 49200), (420, 48380), (472, 43050), (492, 41300), (525, 38704), (560, 36285), (574, 35400), (590, 34440), (600, 33866), (615, 33040), (656, 30975), (700, 29028), (708, 28700), (820, 24780), (826, 24600), (840, 24190), (861, 23600), (885, 22960), (944, 21525), (984, 20650), (1025, 19824), (1050, 19352), (1148, 17700), (1180, 17220), (1200, 16933), (1230, 16520), (1239, 16400), (1400, 14514), (1416, 14350), (1435, 14160), (1475, 13776), (1640, 12390), (1652, 12300), (1680, 12095), (1722, 11800), (1770, 11480), (1968, 10325), (2050, 9912), (2065, 9840), (2100, 9676), (2296, 8850), (2360, 8610), (2419, 8400), (2460, 8260), (2478, 8200), (2800, 7257), (2832, 7175), (2870, 7080), (2950, 6888), (3075, 6608), (3280, 6195), (3304, 6150), (3444, 5900), (3540, 5740), (4100, 4956), (4130, 4920), (4200, 4838), (4305, 4720), (4425, 4592)]