20761156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 40783680

約数和(自身を除く): 20022524

約数列:

[1, 2, 4, 13, 26, 52, 59, 67, 101, 118, 134, 202, 236, 268, 404, 767, 871, 1313, 1534, 1742, 2626, 3068, 3484, 3953, 5252, 5959, 6767, 7906, 11918, 13534, 15812, 23836, 27068, 51389, 77467, 87971, 102778, 154934, 175942, 205556, 309868, 351884, 399253, 798506, 1597012, 5190289, 10380578, 20761156]

約数ペア:

[(1, 20761156), (2, 10380578), (4, 5190289), (13, 1597012), (26, 798506), (52, 399253), (59, 351884), (67, 309868), (101, 205556), (118, 175942), (134, 154934), (202, 102778), (236, 87971), (268, 77467), (404, 51389), (767, 27068), (871, 23836), (1313, 15812), (1534, 13534), (1742, 11918), (2626, 7906), (3068, 6767), (3484, 5959), (3953, 5252)]