20613474

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 54650880

約数和(自身を除く): 34037406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2371, 2898, 4347, 4742, 7113, 8694, 14226, 16597, 21339, 33194, 42678, 49791, 54533, 64017, 99582, 109066, 128034, 149373, 163599, 298746, 327198, 381731, 448119, 490797, 763462, 896238, 981594, 1145193, 1472391, 2290386, 2944782, 3435579, 6871158, 10306737, 20613474]

約数ペア:

[(1, 20613474), (2, 10306737), (3, 6871158), (6, 3435579), (7, 2944782), (9, 2290386), (14, 1472391), (18, 1145193), (21, 981594), (23, 896238), (27, 763462), (42, 490797), (46, 448119), (54, 381731), (63, 327198), (69, 298746), (126, 163599), (138, 149373), (161, 128034), (189, 109066), (207, 99582), (322, 64017), (378, 54533), (414, 49791), (483, 42678), (621, 33194), (966, 21339), (1242, 16597), (1449, 14226), (2371, 8694), (2898, 7113), (4347, 4742)]