20605280276

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1040881}}^1$

素因数の和:1041000

約数の個数: 36

約数和(自身を含む): 42361815636

約数和(自身を除く): 21756535360

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1414, 2828, 4949, 9898, 19796, 1040881, 2081762, 4163524, 7286167, 14572334, 29144668, 51003169, 102006338, 105128981, 204012676, 210257962, 420515924, 735902867, 1471805734, 2943611468, 5151320069, 10302640138, 20605280276]

約数ペア:

[(1, 20605280276), (2, 10302640138), (4, 5151320069), (7, 2943611468), (14, 1471805734), (28, 735902867), (49, 420515924), (98, 210257962), (101, 204012676), (196, 105128981), (202, 102006338), (404, 51003169), (707, 29144668), (1414, 14572334), (2828, 7286167), (4949, 4163524), (9898, 2081762), (19796, 1040881)]