20901874

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2833}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 39177216

約数和(自身を除く): 18275342

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2833, 3689, 5666, 7378, 19831, 39662, 48161, 87823, 96322, 175646, 337127, 614761, 674254, 1229522, 1492991, 2985982, 10450937, 20901874]

約数ペア:

[(1, 20901874), (2, 10450937), (7, 2985982), (14, 1492991), (17, 1229522), (31, 674254), (34, 614761), (62, 337127), (119, 175646), (217, 96322), (238, 87823), (434, 48161), (527, 39662), (1054, 19831), (2833, 7378), (3689, 5666)]