20391534

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 48686400

約数和(自身を除く): 28294866

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 97, 102, 153, 194, 229, 291, 306, 458, 459, 582, 687, 873, 918, 1374, 1649, 1746, 2061, 2619, 3298, 3893, 4122, 4947, 5238, 6183, 7786, 9894, 11679, 12366, 14841, 22213, 23358, 29682, 35037, 44426, 44523, 66639, 70074, 89046, 105111, 133278, 199917, 210222, 377621, 399834, 599751, 755242, 1132863, 1199502, 2265726, 3398589, 6797178, 10195767, 20391534]

約数ペア:

[(1, 20391534), (2, 10195767), (3, 6797178), (6, 3398589), (9, 2265726), (17, 1199502), (18, 1132863), (27, 755242), (34, 599751), (51, 399834), (54, 377621), (97, 210222), (102, 199917), (153, 133278), (194, 105111), (229, 89046), (291, 70074), (306, 66639), (458, 44523), (459, 44426), (582, 35037), (687, 29682), (873, 23358), (918, 22213), (1374, 14841), (1649, 12366), (1746, 11679), (2061, 9894), (2619, 7786), (3298, 6183), (3893, 5238), (4122, 4947)]