20637120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 224

約数和(自身を含む): 77833728

約数和(自身を除く): 57196608

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, 64, 70, 74, 80, 83, 84, 96, 105, 111, 112, 120, 140, 148, 160, 166, 168, 185, 192, 210, 222, 224, 240, 249, 259, 280, 296, 320, 332, 336, 370, 415, 420, 444, 448, 480, 498, 518, 555, 560, 581, 592, 664, 672, 740, 777, 830, 840, 888, 960, 996, 1036, 1110, 1120, 1162, 1184, 1245, 1295, 1328, 1344, 1480, 1554, 1660, 1680, 1743, 1776, 1992, 2072, 2220, 2240, 2324, 2368, 2490, 2590, 2656, 2905, 2960, 3071, 3108, 3320, 3360, 3486, 3552, 3885, 3984, 4144, 4440, 4648, 4980, 5180, 5312, 5810, 5920, 6142, 6216, 6640, 6720, 6972, 7104, 7770, 7968, 8288, 8715, 8880, 9213, 9296, 9960, 10360, 11620, 11840, 12284, 12432, 13280, 13944, 15355, 15540, 15936, 16576, 17430, 17760, 18426, 18592, 19920, 20720, 21497, 23240, 24568, 24864, 26560, 27888, 30710, 31080, 34860, 35520, 36852, 37184, 39840, 41440, 42994, 46065, 46480, 49136, 49728, 55776, 61420, 62160, 64491, 69720, 73704, 79680, 82880, 85988, 92130, 92960, 98272, 107485, 111552, 122840, 124320, 128982, 139440, 147408, 171976, 184260, 185920, 196544, 214970, 245680, 248640, 257964, 278880, 294816, 322455, 343952, 368520, 429940, 491360, 515928, 557760, 589632, 644910, 687904, 737040, 859880, 982720, 1031856, 1289820, 1375808, 1474080, 1719760, 2063712, 2579640, 2948160, 3439520, 4127424, 5159280, 6879040, 10318560, 20637120]

約数ペア:

[(1, 20637120), (2, 10318560), (3, 6879040), (4, 5159280), (5, 4127424), (6, 3439520), (7, 2948160), (8, 2579640), (10, 2063712), (12, 1719760), (14, 1474080), (15, 1375808), (16, 1289820), (20, 1031856), (21, 982720), (24, 859880), (28, 737040), (30, 687904), (32, 644910), (35, 589632), (37, 557760), (40, 515928), (42, 491360), (48, 429940), (56, 368520), (60, 343952), (64, 322455), (70, 294816), (74, 278880), (80, 257964), (83, 248640), (84, 245680), (96, 214970), (105, 196544), (111, 185920), (112, 184260), (120, 171976), (140, 147408), (148, 139440), (160, 128982), (166, 124320), (168, 122840), (185, 111552), (192, 107485), (210, 98272), (222, 92960), (224, 92130), (240, 85988), (249, 82880), (259, 79680), (280, 73704), (296, 69720), (320, 64491), (332, 62160), (336, 61420), (370, 55776), (415, 49728), (420, 49136), (444, 46480), (448, 46065), (480, 42994), (498, 41440), (518, 39840), (555, 37184), (560, 36852), (581, 35520), (592, 34860), (664, 31080), (672, 30710), (740, 27888), (777, 26560), (830, 24864), (840, 24568), (888, 23240), (960, 21497), (996, 20720), (1036, 19920), (1110, 18592), (1120, 18426), (1162, 17760), (1184, 17430), (1245, 16576), (1295, 15936), (1328, 15540), (1344, 15355), (1480, 13944), (1554, 13280), (1660, 12432), (1680, 12284), (1743, 11840), (1776, 11620), (1992, 10360), (2072, 9960), (2220, 9296), (2240, 9213), (2324, 8880), (2368, 8715), (2490, 8288), (2590, 7968), (2656, 7770), (2905, 7104), (2960, 6972), (3071, 6720), (3108, 6640), (3320, 6216), (3360, 6142), (3486, 5920), (3552, 5810), (3885, 5312), (3984, 5180), (4144, 4980), (4440, 4648)]