20138558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9437}}^1$

素因数の和:9547

約数の個数: 16

約数和(自身を含む): 33297264

約数和(自身を除く): 13158706

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9437, 18874, 103807, 207614, 915389, 1830778, 10069279, 20138558]

約数ペア:

[(1, 20138558), (2, 10069279), (11, 1830778), (22, 915389), (97, 207614), (194, 103807), (1067, 18874), (2134, 9437)]