20894664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 60048000

約数和(自身を除く): 39153336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 277, 449, 554, 831, 898, 1108, 1347, 1662, 1796, 1939, 2216, 2694, 3143, 3324, 3592, 3878, 5388, 5817, 6286, 6648, 7756, 9429, 10776, 11634, 12572, 15512, 18858, 23268, 25144, 37716, 46536, 75432, 124373, 248746, 373119, 497492, 746238, 870611, 994984, 1492476, 1741222, 2611833, 2984952, 3482444, 5223666, 6964888, 10447332, 20894664]

約数ペア:

[(1, 20894664), (2, 10447332), (3, 6964888), (4, 5223666), (6, 3482444), (7, 2984952), (8, 2611833), (12, 1741222), (14, 1492476), (21, 994984), (24, 870611), (28, 746238), (42, 497492), (56, 373119), (84, 248746), (168, 124373), (277, 75432), (449, 46536), (554, 37716), (831, 25144), (898, 23268), (1108, 18858), (1347, 15512), (1662, 12572), (1796, 11634), (1939, 10776), (2216, 9429), (2694, 7756), (3143, 6648), (3324, 6286), (3592, 5817), (3878, 5388)]