20281132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4523}}^1$

素因数の和:4605

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 17720468

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 4523, 9046, 18092, 85937, 171874, 266857, 343748, 533714, 1067428, 5070283, 10140566, 20281132]

約数ペア:

[(1, 20281132), (2, 10140566), (4, 5070283), (19, 1067428), (38, 533714), (59, 343748), (76, 266857), (118, 171874), (236, 85937), (1121, 18092), (2242, 9046), (4484, 4523)]