20530090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2741}}^1$

素因数の和:2862

約数の個数: 32

約数和(自身を含む): 42643584

約数和(自身を除く): 22113494

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2741, 3745, 5482, 7490, 13705, 19187, 27410, 38374, 95935, 191870, 293287, 586574, 1466435, 2053009, 2932870, 4106018, 10265045, 20530090]

約数ペア:

[(1, 20530090), (2, 10265045), (5, 4106018), (7, 2932870), (10, 2053009), (14, 1466435), (35, 586574), (70, 293287), (107, 191870), (214, 95935), (535, 38374), (749, 27410), (1070, 19187), (1498, 13705), (2741, 7490), (3745, 5482)]