20173821760

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{1429}}^1$

素因数の和:1884

約数の個数: 112

約数和(自身を含む): 48550890960

約数和(自身を除く): 28377069200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 281, 314, 320, 562, 628, 785, 1124, 1256, 1405, 1429, 1570, 2248, 2512, 2810, 2858, 3140, 4496, 5024, 5620, 5716, 6280, 7145, 8992, 10048, 11240, 11432, 12560, 14290, 17984, 22480, 22864, 25120, 28580, 44117, 44960, 45728, 50240, 57160, 88234, 89920, 91456, 114320, 176468, 220585, 224353, 228640, 352936, 401549, 441170, 448706, 457280, 705872, 803098, 882340, 897412, 1121765, 1411744, 1606196, 1764680, 1794824, 2007745, 2243530, 2823488, 3212392, 3529360, 3589648, 4015490, 4487060, 6424784, 7058720, 7179296, 8030980, 8974120, 12849568, 14117440, 14358592, 16061960, 17948240, 25699136, 32123920, 35896480, 63043193, 64247840, 71792960, 126086386, 128495680, 252172772, 315215965, 504345544, 630431930, 1008691088, 1260863860, 2017382176, 2521727720, 4034764352, 5043455440, 10086910880, 20173821760]

約数ペア:

[(1, 20173821760), (2, 10086910880), (4, 5043455440), (5, 4034764352), (8, 2521727720), (10, 2017382176), (16, 1260863860), (20, 1008691088), (32, 630431930), (40, 504345544), (64, 315215965), (80, 252172772), (157, 128495680), (160, 126086386), (281, 71792960), (314, 64247840), (320, 63043193), (562, 35896480), (628, 32123920), (785, 25699136), (1124, 17948240), (1256, 16061960), (1405, 14358592), (1429, 14117440), (1570, 12849568), (2248, 8974120), (2512, 8030980), (2810, 7179296), (2858, 7058720), (3140, 6424784), (4496, 4487060), (5024, 4015490), (5620, 3589648), (5716, 3529360), (6280, 3212392), (7145, 2823488), (8992, 2243530), (10048, 2007745), (11240, 1794824), (11432, 1764680), (12560, 1606196), (14290, 1411744), (17984, 1121765), (22480, 897412), (22864, 882340), (25120, 803098), (28580, 705872), (44117, 457280), (44960, 448706), (45728, 441170), (50240, 401549), (57160, 352936), (88234, 228640), (89920, 224353), (91456, 220585), (114320, 176468)]