20938184

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 19289656

約数列:

[1, 2, 4, 8, 71, 142, 191, 193, 284, 382, 386, 568, 764, 772, 1528, 1544, 13561, 13703, 27122, 27406, 36863, 54244, 54812, 73726, 108488, 109624, 147452, 294904, 2617273, 5234546, 10469092, 20938184]

約数ペア:

[(1, 20938184), (2, 10469092), (4, 5234546), (8, 2617273), (71, 294904), (142, 147452), (191, 109624), (193, 108488), (284, 73726), (382, 54812), (386, 54244), (568, 36863), (764, 27406), (772, 27122), (1528, 13703), (1544, 13561)]