16420782

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 22747218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 101, 147, 158, 202, 237, 294, 303, 343, 474, 553, 606, 686, 707, 1029, 1106, 1414, 1659, 2058, 2121, 3318, 3871, 4242, 4949, 7742, 7979, 9898, 11613, 14847, 15958, 23226, 23937, 27097, 29694, 34643, 47874, 54194, 55853, 69286, 81291, 103929, 111706, 162582, 167559, 207858, 335118, 390971, 781942, 1172913, 2345826, 2736797, 5473594, 8210391, 16420782]

約数ペア:

[(1, 16420782), (2, 8210391), (3, 5473594), (6, 2736797), (7, 2345826), (14, 1172913), (21, 781942), (42, 390971), (49, 335118), (79, 207858), (98, 167559), (101, 162582), (147, 111706), (158, 103929), (202, 81291), (237, 69286), (294, 55853), (303, 54194), (343, 47874), (474, 34643), (553, 29694), (606, 27097), (686, 23937), (707, 23226), (1029, 15958), (1106, 14847), (1414, 11613), (1659, 9898), (2058, 7979), (2121, 7742), (3318, 4949), (3871, 4242)]