20512763631368

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{1901}}^1\times {\mathrm{79769}}^1$

素因数の和:82170

約数の個数: 64

約数和(自身を含む): 39608686292400

約数和(自身を除く): 19095922661032

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 457, 914, 1828, 1901, 3656, 3802, 7604, 15208, 16909, 33818, 67636, 70337, 79769, 135272, 140674, 159538, 281348, 319076, 562696, 638152, 868757, 1737514, 2951453, 3475028, 5902906, 6950056, 11805812, 23611624, 32144009, 36454433, 64288018, 72908866, 128576036, 145817732, 151640869, 257152072, 291635464, 303281738, 606563476, 1213126952, 1348814021, 2697628042, 5395256084, 5610712153, 10790512168, 11221424306, 22442848612, 44885697224, 69299877133, 138599754266, 277199508532, 554399017064, 2564095453921, 5128190907842, 10256381815684, 20512763631368]

約数ペア:

[(1, 20512763631368), (2, 10256381815684), (4, 5128190907842), (8, 2564095453921), (37, 554399017064), (74, 277199508532), (148, 138599754266), (296, 69299877133), (457, 44885697224), (914, 22442848612), (1828, 11221424306), (1901, 10790512168), (3656, 5610712153), (3802, 5395256084), (7604, 2697628042), (15208, 1348814021), (16909, 1213126952), (33818, 606563476), (67636, 303281738), (70337, 291635464), (79769, 257152072), (135272, 151640869), (140674, 145817732), (159538, 128576036), (281348, 72908866), (319076, 64288018), (562696, 36454433), (638152, 32144009), (868757, 23611624), (1737514, 11805812), (2951453, 6950056), (3475028, 5902906)]