20170023320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1\times {\mathrm{1123}}^1$

素因数の和:1645

約数の個数: 128

約数和(自身を含む): 48996239040

約数和(自身を除く): 28826215720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 433, 488, 610, 680, 866, 1037, 1123, 1220, 1732, 2074, 2165, 2246, 2440, 3464, 4148, 4330, 4492, 5185, 5615, 7361, 8296, 8660, 8984, 10370, 11230, 14722, 17320, 19091, 20740, 22460, 26413, 29444, 36805, 38182, 41480, 44920, 52826, 58888, 68503, 73610, 76364, 95455, 105652, 132065, 137006, 147220, 152728, 190910, 211304, 264130, 274012, 294440, 342515, 381820, 449021, 486259, 528260, 548024, 685030, 763640, 898042, 972518, 1056520, 1164551, 1370060, 1796084, 1945036, 2245105, 2329102, 2431295, 2740120, 3592168, 3890072, 4490210, 4658204, 4862590, 5822755, 8266403, 8980420, 9316408, 9725180, 11645510, 16532806, 17960840, 19450360, 23291020, 29661799, 33065612, 41332015, 46582040, 59323598, 66131224, 82664030, 118647196, 148308995, 165328060, 237294392, 296617990, 330656120, 504250583, 593235980, 1008501166, 1186471960, 2017002332, 2521252915, 4034004664, 5042505830, 10085011660, 20170023320]

約数ペア:

[(1, 20170023320), (2, 10085011660), (4, 5042505830), (5, 4034004664), (8, 2521252915), (10, 2017002332), (17, 1186471960), (20, 1008501166), (34, 593235980), (40, 504250583), (61, 330656120), (68, 296617990), (85, 237294392), (122, 165328060), (136, 148308995), (170, 118647196), (244, 82664030), (305, 66131224), (340, 59323598), (433, 46582040), (488, 41332015), (610, 33065612), (680, 29661799), (866, 23291020), (1037, 19450360), (1123, 17960840), (1220, 16532806), (1732, 11645510), (2074, 9725180), (2165, 9316408), (2246, 8980420), (2440, 8266403), (3464, 5822755), (4148, 4862590), (4330, 4658204), (4492, 4490210), (5185, 3890072), (5615, 3592168), (7361, 2740120), (8296, 2431295), (8660, 2329102), (8984, 2245105), (10370, 1945036), (11230, 1796084), (14722, 1370060), (17320, 1164551), (19091, 1056520), (20740, 972518), (22460, 898042), (26413, 763640), (29444, 685030), (36805, 548024), (38182, 528260), (41480, 486259), (44920, 449021), (52826, 381820), (58888, 342515), (68503, 294440), (73610, 274012), (76364, 264130), (95455, 211304), (105652, 190910), (132065, 152728), (137006, 147220)]