20147720642

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1\times {\mathrm{52981}}^1$

素因数の和:54194

約数の個数: 32

約数和(自身を含む): 36071841024

約数和(自身を除く): 15924120382

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1181, 2362, 8267, 16534, 27163, 52981, 54326, 105962, 190141, 370867, 380282, 741734, 1218563, 2437126, 8529941, 17059882, 62570561, 125141122, 437993927, 875987854, 1439122903, 2878245806, 10073860321, 20147720642]

約数ペア:

[(1, 20147720642), (2, 10073860321), (7, 2878245806), (14, 1439122903), (23, 875987854), (46, 437993927), (161, 125141122), (322, 62570561), (1181, 17059882), (2362, 8529941), (8267, 2437126), (16534, 1218563), (27163, 741734), (52981, 380282), (54326, 370867), (105962, 190141)]