20808912

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4871}}^1$

素因数の和:4971

約数の個数: 40

約数和(自身を含む): 54371520

約数和(自身を除く): 33562608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4871, 9742, 14613, 19484, 29226, 38968, 58452, 77936, 116904, 233808, 433519, 867038, 1300557, 1734076, 2601114, 3468152, 5202228, 6936304, 10404456, 20808912]

約数ペア:

[(1, 20808912), (2, 10404456), (3, 6936304), (4, 5202228), (6, 3468152), (8, 2601114), (12, 1734076), (16, 1300557), (24, 867038), (48, 433519), (89, 233808), (178, 116904), (267, 77936), (356, 58452), (534, 38968), (712, 29226), (1068, 19484), (1424, 14613), (2136, 9742), (4272, 4871)]