20748498

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 42510336

約数和(自身を除く): 21761838

約数列:

[1, 2, 3, 6, 73, 127, 146, 219, 254, 373, 381, 438, 746, 762, 1119, 2238, 9271, 18542, 27229, 27813, 47371, 54458, 55626, 81687, 94742, 142113, 163374, 284226, 3458083, 6916166, 10374249, 20748498]

約数ペア:

[(1, 20748498), (2, 10374249), (3, 6916166), (6, 3458083), (73, 284226), (127, 163374), (146, 142113), (219, 94742), (254, 81687), (373, 55626), (381, 54458), (438, 47371), (746, 27813), (762, 27229), (1119, 18542), (2238, 9271)]