16338660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20972

約数の個数: 48

約数和(自身を含む): 49269696

約数和(自身を除く): 32931036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20947, 41894, 62841, 83788, 104735, 125682, 209470, 251364, 272311, 314205, 418940, 544622, 628410, 816933, 1089244, 1256820, 1361555, 1633866, 2723110, 3267732, 4084665, 5446220, 8169330, 16338660]

約数ペア:

[(1, 16338660), (2, 8169330), (3, 5446220), (4, 4084665), (5, 3267732), (6, 2723110), (10, 1633866), (12, 1361555), (13, 1256820), (15, 1089244), (20, 816933), (26, 628410), (30, 544622), (39, 418940), (52, 314205), (60, 272311), (65, 251364), (78, 209470), (130, 125682), (156, 104735), (195, 83788), (260, 62841), (390, 41894), (780, 20947)]