20067040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 40896800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 41, 46, 56, 70, 76, 80, 82, 92, 95, 112, 115, 133, 140, 152, 160, 161, 164, 184, 190, 205, 224, 230, 266, 280, 287, 304, 322, 328, 368, 380, 410, 437, 460, 532, 560, 574, 608, 644, 656, 665, 736, 760, 779, 805, 820, 874, 920, 943, 1064, 1120, 1148, 1288, 1312, 1330, 1435, 1520, 1558, 1610, 1640, 1748, 1840, 1886, 2128, 2185, 2296, 2576, 2660, 2870, 3040, 3059, 3116, 3220, 3280, 3496, 3680, 3772, 3895, 4256, 4370, 4592, 4715, 5152, 5320, 5453, 5740, 6118, 6232, 6440, 6560, 6601, 6992, 7544, 7790, 8740, 9184, 9430, 10640, 10906, 11480, 12236, 12464, 12880, 13202, 13984, 15088, 15295, 15580, 17480, 17917, 18860, 21280, 21812, 22960, 24472, 24928, 25760, 26404, 27265, 30176, 30590, 31160, 33005, 34960, 35834, 37720, 43624, 45920, 48944, 52808, 54530, 61180, 62320, 66010, 69920, 71668, 75440, 87248, 89585, 97888, 105616, 109060, 122360, 124640, 125419, 132020, 143336, 150880, 174496, 179170, 211232, 218120, 244720, 250838, 264040, 286672, 358340, 436240, 489440, 501676, 528080, 573344, 627095, 716680, 872480, 1003352, 1056160, 1254190, 1433360, 2006704, 2508380, 2866720, 4013408, 5016760, 10033520, 20067040]

約数ペア:

[(1, 20067040), (2, 10033520), (4, 5016760), (5, 4013408), (7, 2866720), (8, 2508380), (10, 2006704), (14, 1433360), (16, 1254190), (19, 1056160), (20, 1003352), (23, 872480), (28, 716680), (32, 627095), (35, 573344), (38, 528080), (40, 501676), (41, 489440), (46, 436240), (56, 358340), (70, 286672), (76, 264040), (80, 250838), (82, 244720), (92, 218120), (95, 211232), (112, 179170), (115, 174496), (133, 150880), (140, 143336), (152, 132020), (160, 125419), (161, 124640), (164, 122360), (184, 109060), (190, 105616), (205, 97888), (224, 89585), (230, 87248), (266, 75440), (280, 71668), (287, 69920), (304, 66010), (322, 62320), (328, 61180), (368, 54530), (380, 52808), (410, 48944), (437, 45920), (460, 43624), (532, 37720), (560, 35834), (574, 34960), (608, 33005), (644, 31160), (656, 30590), (665, 30176), (736, 27265), (760, 26404), (779, 25760), (805, 24928), (820, 24472), (874, 22960), (920, 21812), (943, 21280), (1064, 18860), (1120, 17917), (1148, 17480), (1288, 15580), (1312, 15295), (1330, 15088), (1435, 13984), (1520, 13202), (1558, 12880), (1610, 12464), (1640, 12236), (1748, 11480), (1840, 10906), (1886, 10640), (2128, 9430), (2185, 9184), (2296, 8740), (2576, 7790), (2660, 7544), (2870, 6992), (3040, 6601), (3059, 6560), (3116, 6440), (3220, 6232), (3280, 6118), (3496, 5740), (3680, 5453), (3772, 5320), (3895, 5152), (4256, 4715), (4370, 4592)]