20152956

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 29972868

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 223, 443, 446, 669, 886, 892, 1329, 1338, 1772, 2658, 2676, 3791, 5316, 7531, 7582, 11373, 15062, 15164, 22593, 22746, 30124, 45186, 45492, 90372, 98789, 197578, 296367, 395156, 592734, 1185468, 1679413, 3358826, 5038239, 6717652, 10076478, 20152956]

約数ペア:

[(1, 20152956), (2, 10076478), (3, 6717652), (4, 5038239), (6, 3358826), (12, 1679413), (17, 1185468), (34, 592734), (51, 395156), (68, 296367), (102, 197578), (204, 98789), (223, 90372), (443, 45492), (446, 45186), (669, 30124), (886, 22746), (892, 22593), (1329, 15164), (1338, 15062), (1772, 11373), (2658, 7582), (2676, 7531), (3791, 5316)]