20692686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 51019776

約数和(自身を除く): 30327090

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 62, 69, 93, 138, 161, 186, 217, 322, 434, 483, 651, 691, 713, 966, 1302, 1382, 1426, 2073, 2139, 4146, 4278, 4837, 4991, 9674, 9982, 14511, 14973, 15893, 21421, 29022, 29946, 31786, 42842, 47679, 64263, 95358, 111251, 128526, 149947, 222502, 299894, 333753, 449841, 492683, 667506, 899682, 985366, 1478049, 2956098, 3448781, 6897562, 10346343, 20692686]

約数ペア:

[(1, 20692686), (2, 10346343), (3, 6897562), (6, 3448781), (7, 2956098), (14, 1478049), (21, 985366), (23, 899682), (31, 667506), (42, 492683), (46, 449841), (62, 333753), (69, 299894), (93, 222502), (138, 149947), (161, 128526), (186, 111251), (217, 95358), (322, 64263), (434, 47679), (483, 42842), (651, 31786), (691, 29946), (713, 29022), (966, 21421), (1302, 15893), (1382, 14973), (1426, 14511), (2073, 9982), (2139, 9674), (4146, 4991), (4278, 4837)]