20870604

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19991}}^1$

素因数の和:20030

約数の個数: 36

約数和(自身を含む): 54578160

約数和(自身を除く): 33707556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19991, 39982, 59973, 79964, 119946, 179919, 239892, 359838, 579739, 719676, 1159478, 1739217, 2318956, 3478434, 5217651, 6956868, 10435302, 20870604]

約数ペア:

[(1, 20870604), (2, 10435302), (3, 6956868), (4, 5217651), (6, 3478434), (9, 2318956), (12, 1739217), (18, 1159478), (29, 719676), (36, 579739), (58, 359838), (87, 239892), (116, 179919), (174, 119946), (261, 79964), (348, 59973), (522, 39982), (1044, 19991)]