20680164

素因数分解:

$2^2\times 3^3\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 53860800

約数和(自身を除く): 33180636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 419, 457, 838, 914, 1257, 1371, 1676, 1828, 2514, 2742, 3771, 4113, 5028, 5484, 7542, 8226, 11313, 12339, 15084, 16452, 22626, 24678, 45252, 49356, 191483, 382966, 574449, 765932, 1148898, 1723347, 2297796, 3446694, 5170041, 6893388, 10340082, 20680164]

約数ペア:

[(1, 20680164), (2, 10340082), (3, 6893388), (4, 5170041), (6, 3446694), (9, 2297796), (12, 1723347), (18, 1148898), (27, 765932), (36, 574449), (54, 382966), (108, 191483), (419, 49356), (457, 45252), (838, 24678), (914, 22626), (1257, 16452), (1371, 15084), (1676, 12339), (1828, 11313), (2514, 8226), (2742, 7542), (3771, 5484), (4113, 5028)]