20303906

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 36218880

約数和(自身を除く): 15914974

約数列:

[1, 2, 7, 14, 47, 59, 94, 118, 329, 413, 523, 658, 826, 1046, 2773, 3661, 5546, 7322, 19411, 24581, 30857, 38822, 49162, 61714, 172067, 215999, 344134, 431998, 1450279, 2900558, 10151953, 20303906]

約数ペア:

[(1, 20303906), (2, 10151953), (7, 2900558), (14, 1450279), (47, 431998), (59, 344134), (94, 215999), (118, 172067), (329, 61714), (413, 49162), (523, 38822), (658, 30857), (826, 24581), (1046, 19411), (2773, 7322), (3661, 5546)]