20149185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 17009727

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1511, 1905, 2667, 4445, 4533, 7555, 10577, 13335, 22665, 31731, 52885, 158655, 191897, 575691, 959485, 1343279, 2878455, 4029837, 6716395, 20149185]

約数ペア:

[(1, 20149185), (3, 6716395), (5, 4029837), (7, 2878455), (15, 1343279), (21, 959485), (35, 575691), (105, 191897), (127, 158655), (381, 52885), (635, 31731), (889, 22665), (1511, 13335), (1905, 10577), (2667, 7555), (4445, 4533)]