20654847368

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{523}}^1\times {\mathrm{73681}}^1$

素因数の和:74277

約数の個数: 32

約数和(自身を含む): 39381555360

約数和(自身を除く): 18726707992

約数列:

[1, 2, 4, 8, 67, 134, 268, 523, 536, 1046, 2092, 4184, 35041, 70082, 73681, 140164, 147362, 280328, 294724, 589448, 4936627, 9873254, 19746508, 38535163, 39493016, 77070326, 154140652, 308281304, 2581855921, 5163711842, 10327423684, 20654847368]

約数ペア:

[(1, 20654847368), (2, 10327423684), (4, 5163711842), (8, 2581855921), (67, 308281304), (134, 154140652), (268, 77070326), (523, 39493016), (536, 38535163), (1046, 19746508), (2092, 9873254), (4184, 4936627), (35041, 589448), (70082, 294724), (73681, 280328), (140164, 147362)]