20352647

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 24367104

約数和(自身を除く): 4014457

約数列:

[1, 7, 31, 71, 217, 497, 1321, 2201, 9247, 15407, 40951, 93791, 286657, 656537, 2907521, 20352647]

約数ペア:

[(1, 20352647), (7, 2907521), (31, 656537), (71, 286657), (217, 93791), (497, 40951), (1321, 15407), (2201, 9247)]