20508066

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1868

約数の個数: 40

約数和(自身を含む): 46626624

約数和(自身を除く): 26118558

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1783, 1917, 3566, 3834, 5349, 5751, 10698, 11502, 16047, 32094, 48141, 96282, 126593, 144423, 253186, 288846, 379779, 759558, 1139337, 2278674, 3418011, 6836022, 10254033, 20508066]

約数ペア:

[(1, 20508066), (2, 10254033), (3, 6836022), (6, 3418011), (9, 2278674), (18, 1139337), (27, 759558), (54, 379779), (71, 288846), (81, 253186), (142, 144423), (162, 126593), (213, 96282), (426, 48141), (639, 32094), (1278, 16047), (1783, 11502), (1917, 10698), (3566, 5751), (3834, 5349)]