20120804964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{284723}}^1$

素因数の和:284897

約数の個数: 72

約数和(自身を含む): 55136233152

約数和(自身を除く): 35015428188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 604, 906, 1359, 1812, 1963, 2718, 3926, 5436, 5889, 7852, 11778, 17667, 23556, 35334, 70668, 284723, 569446, 854169, 1138892, 1708338, 2562507, 3416676, 3701399, 5125014, 7402798, 10250028, 11104197, 14805596, 22208394, 33312591, 42993173, 44416788, 66625182, 85986346, 128979519, 133250364, 171972692, 257959038, 386938557, 515918076, 558911249, 773877114, 1117822498, 1547754228, 1676733747, 2235644996, 3353467494, 5030201241, 6706934988, 10060402482, 20120804964]

約数ペア:

[(1, 20120804964), (2, 10060402482), (3, 6706934988), (4, 5030201241), (6, 3353467494), (9, 2235644996), (12, 1676733747), (13, 1547754228), (18, 1117822498), (26, 773877114), (36, 558911249), (39, 515918076), (52, 386938557), (78, 257959038), (117, 171972692), (151, 133250364), (156, 128979519), (234, 85986346), (302, 66625182), (453, 44416788), (468, 42993173), (604, 33312591), (906, 22208394), (1359, 14805596), (1812, 11104197), (1963, 10250028), (2718, 7402798), (3926, 5125014), (5436, 3701399), (5889, 3416676), (7852, 2562507), (11778, 1708338), (17667, 1138892), (23556, 854169), (35334, 569446), (70668, 284723)]