20117160

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 77362560

約数和(自身を除く): 57245400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 887, 945, 1080, 1134, 1260, 1512, 1620, 1774, 1890, 2268, 2520, 2661, 2835, 3240, 3548, 3780, 4435, 4536, 5322, 5670, 6209, 7096, 7560, 7983, 8870, 10644, 11340, 12418, 13305, 15966, 17740, 18627, 21288, 22680, 23949, 24836, 26610, 31045, 31932, 35480, 37254, 39915, 47898, 49672, 53220, 55881, 62090, 63864, 71847, 74508, 79830, 93135, 95796, 106440, 111762, 119745, 124180, 143694, 149016, 159660, 167643, 186270, 191592, 223524, 239490, 248360, 279405, 287388, 319320, 335286, 359235, 372540, 447048, 478980, 502929, 558810, 574776, 670572, 718470, 745080, 838215, 957960, 1005858, 1117620, 1341144, 1436940, 1676430, 2011716, 2235240, 2514645, 2873880, 3352860, 4023432, 5029290, 6705720, 10058580, 20117160]

約数ペア:

[(1, 20117160), (2, 10058580), (3, 6705720), (4, 5029290), (5, 4023432), (6, 3352860), (7, 2873880), (8, 2514645), (9, 2235240), (10, 2011716), (12, 1676430), (14, 1436940), (15, 1341144), (18, 1117620), (20, 1005858), (21, 957960), (24, 838215), (27, 745080), (28, 718470), (30, 670572), (35, 574776), (36, 558810), (40, 502929), (42, 478980), (45, 447048), (54, 372540), (56, 359235), (60, 335286), (63, 319320), (70, 287388), (72, 279405), (81, 248360), (84, 239490), (90, 223524), (105, 191592), (108, 186270), (120, 167643), (126, 159660), (135, 149016), (140, 143694), (162, 124180), (168, 119745), (180, 111762), (189, 106440), (210, 95796), (216, 93135), (252, 79830), (270, 74508), (280, 71847), (315, 63864), (324, 62090), (360, 55881), (378, 53220), (405, 49672), (420, 47898), (504, 39915), (540, 37254), (567, 35480), (630, 31932), (648, 31045), (756, 26610), (810, 24836), (840, 23949), (887, 22680), (945, 21288), (1080, 18627), (1134, 17740), (1260, 15966), (1512, 13305), (1620, 12418), (1774, 11340), (1890, 10644), (2268, 8870), (2520, 7983), (2661, 7560), (2835, 7096), (3240, 6209), (3548, 5670), (3780, 5322), (4435, 4536)]