20714932

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22750028

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 97, 116, 194, 203, 263, 388, 406, 526, 679, 812, 1052, 1358, 1841, 2716, 2813, 3682, 5626, 7364, 7627, 11252, 15254, 19691, 25511, 30508, 39382, 51022, 53389, 78764, 102044, 106778, 178577, 213556, 357154, 714308, 739819, 1479638, 2959276, 5178733, 10357466, 20714932]

約数ペア:

[(1, 20714932), (2, 10357466), (4, 5178733), (7, 2959276), (14, 1479638), (28, 739819), (29, 714308), (58, 357154), (97, 213556), (116, 178577), (194, 106778), (203, 102044), (263, 78764), (388, 53389), (406, 51022), (526, 39382), (679, 30508), (812, 25511), (1052, 19691), (1358, 15254), (1841, 11252), (2716, 7627), (2813, 7364), (3682, 5626)]