20894080246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{395287}}^1$

素因数の和:395428

約数の個数: 32

約数和(自身を含む): 35860527360

約数和(自身を除く): 14966447114

約数列:

[1, 2, 13, 19, 26, 38, 107, 214, 247, 494, 1391, 2033, 2782, 4066, 26429, 52858, 395287, 790574, 5138731, 7510453, 10277462, 15020906, 42295709, 84591418, 97635889, 195271778, 549844217, 803618471, 1099688434, 1607236942, 10447040123, 20894080246]

約数ペア:

[(1, 20894080246), (2, 10447040123), (13, 1607236942), (19, 1099688434), (26, 803618471), (38, 549844217), (107, 195271778), (214, 97635889), (247, 84591418), (494, 42295709), (1391, 15020906), (2033, 10277462), (2782, 7510453), (4066, 5138731), (26429, 790574), (52858, 395287)]