20742372

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27437}}^1$

素因数の和:27457

約数の個数: 48

約数和(自身を含む): 61461120

約数和(自身を除く): 40718748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27437, 54874, 82311, 109748, 164622, 192059, 246933, 329244, 384118, 493866, 576177, 740799, 768236, 987732, 1152354, 1481598, 1728531, 2304708, 2963196, 3457062, 5185593, 6914124, 10371186, 20742372]

約数ペア:

[(1, 20742372), (2, 10371186), (3, 6914124), (4, 5185593), (6, 3457062), (7, 2963196), (9, 2304708), (12, 1728531), (14, 1481598), (18, 1152354), (21, 987732), (27, 768236), (28, 740799), (36, 576177), (42, 493866), (54, 384118), (63, 329244), (84, 246933), (108, 192059), (126, 164622), (189, 109748), (252, 82311), (378, 54874), (756, 27437)]