20163633920

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{235117}}^1$

素因数の和:235205

約数の個数: 72

約数和(自身を含む): 49019281584

約数和(自身を除く): 28855647664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 2144, 2680, 4288, 5360, 8576, 10720, 17152, 21440, 42880, 85760, 235117, 470234, 940468, 1175585, 1880936, 2351170, 3761872, 4702340, 7523744, 9404680, 15047488, 15752839, 18809360, 30094976, 31505678, 37618720, 60189952, 63011356, 75237440, 78764195, 126022712, 150474880, 157528390, 252045424, 300949760, 315056780, 504090848, 630113560, 1008181696, 1260227120, 2016363392, 2520454240, 4032726784, 5040908480, 10081816960, 20163633920]

約数ペア:

[(1, 20163633920), (2, 10081816960), (4, 5040908480), (5, 4032726784), (8, 2520454240), (10, 2016363392), (16, 1260227120), (20, 1008181696), (32, 630113560), (40, 504090848), (64, 315056780), (67, 300949760), (80, 252045424), (128, 157528390), (134, 150474880), (160, 126022712), (256, 78764195), (268, 75237440), (320, 63011356), (335, 60189952), (536, 37618720), (640, 31505678), (670, 30094976), (1072, 18809360), (1280, 15752839), (1340, 15047488), (2144, 9404680), (2680, 7523744), (4288, 4702340), (5360, 3761872), (8576, 2351170), (10720, 1880936), (17152, 1175585), (21440, 940468), (42880, 470234), (85760, 235117)]