20751346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 40300992

約数和(自身を除く): 19549646

約数列:

[1, 2, 7, 11, 14, 22, 47, 61, 77, 94, 122, 154, 329, 427, 517, 658, 671, 854, 1034, 1342, 2209, 2867, 3619, 4418, 4697, 5734, 7238, 9394, 15463, 20069, 24299, 30926, 31537, 40138, 48598, 63074, 134749, 170093, 220759, 269498, 340186, 441518, 943243, 1482239, 1886486, 2964478, 10375673, 20751346]

約数ペア:

[(1, 20751346), (2, 10375673), (7, 2964478), (11, 1886486), (14, 1482239), (22, 943243), (47, 441518), (61, 340186), (77, 269498), (94, 220759), (122, 170093), (154, 134749), (329, 63074), (427, 48598), (517, 40138), (658, 31537), (671, 30926), (854, 24299), (1034, 20069), (1342, 15463), (2209, 9394), (2867, 7238), (3619, 5734), (4418, 4697)]