20175678404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{311}}^1\times {\mathrm{8017}}^1$

素因数の和:8373

約数の個数: 72

約数和(自身を含む): 43007782272

約数和(自身を除く): 22832103868

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 311, 476, 578, 622, 1156, 1244, 2023, 2177, 4046, 4354, 5287, 8017, 8092, 8708, 10574, 16034, 21148, 32068, 37009, 56119, 74018, 89879, 112238, 136289, 148036, 179758, 224476, 272578, 359516, 545156, 629153, 954023, 1258306, 1908046, 2316913, 2493287, 2516612, 3816092, 4633826, 4986574, 9267652, 9973148, 16218391, 17453009, 32436782, 34906018, 42385879, 64873564, 69812036, 84771758, 169543516, 296701153, 593402306, 720559943, 1186804612, 1441119886, 2882239772, 5043919601, 10087839202, 20175678404]

約数ペア:

[(1, 20175678404), (2, 10087839202), (4, 5043919601), (7, 2882239772), (14, 1441119886), (17, 1186804612), (28, 720559943), (34, 593402306), (68, 296701153), (119, 169543516), (238, 84771758), (289, 69812036), (311, 64873564), (476, 42385879), (578, 34906018), (622, 32436782), (1156, 17453009), (1244, 16218391), (2023, 9973148), (2177, 9267652), (4046, 4986574), (4354, 4633826), (5287, 3816092), (8017, 2516612), (8092, 2493287), (8708, 2316913), (10574, 1908046), (16034, 1258306), (21148, 954023), (32068, 629153), (37009, 545156), (56119, 359516), (74018, 272578), (89879, 224476), (112238, 179758), (136289, 148036)]