20851812

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19973}}^1$

素因数の和:20012

約数の個数: 36

約数和(自身を含む): 54529020

約数和(自身を除く): 33677208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19973, 39946, 59919, 79892, 119838, 179757, 239676, 359514, 579217, 719028, 1158434, 1737651, 2316868, 3475302, 5212953, 6950604, 10425906, 20851812]

約数ペア:

[(1, 20851812), (2, 10425906), (3, 6950604), (4, 5212953), (6, 3475302), (9, 2316868), (12, 1737651), (18, 1158434), (29, 719028), (36, 579217), (58, 359514), (87, 239676), (116, 179757), (174, 119838), (261, 79892), (348, 59919), (522, 39946), (1044, 19973)]