20510136

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7699}}^1$

素因数の和:7748

約数の個数: 48

約数和(自身を含む): 57057000

約数和(自身を除く): 36546864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7699, 15398, 23097, 30796, 46194, 61592, 69291, 92388, 138582, 184776, 277164, 284863, 554328, 569726, 854589, 1139452, 1709178, 2278904, 2563767, 3418356, 5127534, 6836712, 10255068, 20510136]

約数ペア:

[(1, 20510136), (2, 10255068), (3, 6836712), (4, 5127534), (6, 3418356), (8, 2563767), (9, 2278904), (12, 1709178), (18, 1139452), (24, 854589), (36, 569726), (37, 554328), (72, 284863), (74, 277164), (111, 184776), (148, 138582), (222, 92388), (296, 69291), (333, 61592), (444, 46194), (666, 30796), (888, 23097), (1332, 15398), (2664, 7699)]