20787592

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1171}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 44723520

約数和(自身を除く): 23935928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1171, 1268, 2219, 2342, 2536, 4438, 4684, 8197, 8876, 9368, 16394, 17752, 32788, 65576, 371207, 742414, 1484828, 2598449, 2969656, 5196898, 10393796, 20787592]

約数ペア:

[(1, 20787592), (2, 10393796), (4, 5196898), (7, 2969656), (8, 2598449), (14, 1484828), (28, 742414), (56, 371207), (317, 65576), (634, 32788), (1171, 17752), (1268, 16394), (2219, 9368), (2342, 8876), (2536, 8197), (4438, 4684)]