20386782

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 49412160

約数和(自身を除く): 29025378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 113, 117, 226, 234, 257, 339, 351, 514, 678, 702, 771, 1017, 1469, 1542, 2034, 2313, 2938, 3051, 3341, 4407, 4626, 6102, 6682, 6939, 8814, 10023, 13221, 13878, 20046, 26442, 29041, 30069, 39663, 58082, 60138, 79326, 87123, 90207, 174246, 180414, 261369, 377533, 522738, 755066, 784107, 1132599, 1568214, 2265198, 3397797, 6795594, 10193391, 20386782]

約数ペア:

[(1, 20386782), (2, 10193391), (3, 6795594), (6, 3397797), (9, 2265198), (13, 1568214), (18, 1132599), (26, 784107), (27, 755066), (39, 522738), (54, 377533), (78, 261369), (113, 180414), (117, 174246), (226, 90207), (234, 87123), (257, 79326), (339, 60138), (351, 58082), (514, 39663), (678, 30069), (702, 29041), (771, 26442), (1017, 20046), (1469, 13878), (1542, 13221), (2034, 10023), (2313, 8814), (2938, 6939), (3051, 6682), (3341, 6102), (4407, 4626)]