20616786

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2671

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 28467054

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2621, 2622, 3933, 5242, 7863, 7866, 15726, 23589, 47178, 49799, 60283, 99598, 120566, 149397, 180849, 298794, 361698, 448191, 542547, 896382, 1085094, 1145377, 2290754, 3436131, 6872262, 10308393, 20616786]

約数ペア:

[(1, 20616786), (2, 10308393), (3, 6872262), (6, 3436131), (9, 2290754), (18, 1145377), (19, 1085094), (23, 896382), (38, 542547), (46, 448191), (57, 361698), (69, 298794), (114, 180849), (138, 149397), (171, 120566), (207, 99598), (342, 60283), (414, 49799), (437, 47178), (874, 23589), (1311, 15726), (2621, 7866), (2622, 7863), (3933, 5242)]