20742426

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8933}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 47171520

約数和(自身を除く): 26429094

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8933, 17866, 26799, 53598, 80397, 160794, 241191, 384119, 482382, 768238, 1152357, 2304714, 3457071, 6914142, 10371213, 20742426]

約数ペア:

[(1, 20742426), (2, 10371213), (3, 6914142), (6, 3457071), (9, 2304714), (18, 1152357), (27, 768238), (43, 482382), (54, 384119), (86, 241191), (129, 160794), (258, 80397), (387, 53598), (774, 26799), (1161, 17866), (2322, 8933)]