20264160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 75382272

約数和(自身を除く): 55118112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 163, 168, 185, 210, 222, 224, 240, 259, 280, 296, 326, 336, 370, 420, 444, 480, 489, 518, 555, 560, 592, 652, 672, 740, 777, 815, 840, 888, 978, 1036, 1110, 1120, 1141, 1184, 1295, 1304, 1480, 1554, 1630, 1680, 1776, 1956, 2072, 2220, 2282, 2445, 2590, 2608, 2960, 3108, 3260, 3360, 3423, 3552, 3885, 3912, 4144, 4440, 4564, 4890, 5180, 5216, 5705, 5920, 6031, 6216, 6520, 6846, 7770, 7824, 8288, 8880, 9128, 9780, 10360, 11410, 12062, 12432, 13040, 13692, 15540, 15648, 17115, 17760, 18093, 18256, 19560, 20720, 22820, 24124, 24864, 26080, 27384, 30155, 31080, 34230, 36186, 36512, 39120, 41440, 42217, 45640, 48248, 54768, 60310, 62160, 68460, 72372, 78240, 84434, 90465, 91280, 96496, 109536, 120620, 124320, 126651, 136920, 144744, 168868, 180930, 182560, 192992, 211085, 241240, 253302, 273840, 289488, 337736, 361860, 422170, 482480, 506604, 547680, 578976, 633255, 675472, 723720, 844340, 964960, 1013208, 1266510, 1350944, 1447440, 1688680, 2026416, 2533020, 2894880, 3377360, 4052832, 5066040, 6754720, 10132080, 20264160]

約数ペア:

[(1, 20264160), (2, 10132080), (3, 6754720), (4, 5066040), (5, 4052832), (6, 3377360), (7, 2894880), (8, 2533020), (10, 2026416), (12, 1688680), (14, 1447440), (15, 1350944), (16, 1266510), (20, 1013208), (21, 964960), (24, 844340), (28, 723720), (30, 675472), (32, 633255), (35, 578976), (37, 547680), (40, 506604), (42, 482480), (48, 422170), (56, 361860), (60, 337736), (70, 289488), (74, 273840), (80, 253302), (84, 241240), (96, 211085), (105, 192992), (111, 182560), (112, 180930), (120, 168868), (140, 144744), (148, 136920), (160, 126651), (163, 124320), (168, 120620), (185, 109536), (210, 96496), (222, 91280), (224, 90465), (240, 84434), (259, 78240), (280, 72372), (296, 68460), (326, 62160), (336, 60310), (370, 54768), (420, 48248), (444, 45640), (480, 42217), (489, 41440), (518, 39120), (555, 36512), (560, 36186), (592, 34230), (652, 31080), (672, 30155), (740, 27384), (777, 26080), (815, 24864), (840, 24124), (888, 22820), (978, 20720), (1036, 19560), (1110, 18256), (1120, 18093), (1141, 17760), (1184, 17115), (1295, 15648), (1304, 15540), (1480, 13692), (1554, 13040), (1630, 12432), (1680, 12062), (1776, 11410), (1956, 10360), (2072, 9780), (2220, 9128), (2282, 8880), (2445, 8288), (2590, 7824), (2608, 7770), (2960, 6846), (3108, 6520), (3260, 6216), (3360, 6031), (3423, 5920), (3552, 5705), (3885, 5216), (3912, 5180), (4144, 4890), (4440, 4564)]