20685914

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 10884646

約数列:

[1, 2, 89, 178, 251, 463, 502, 926, 22339, 41207, 44678, 82414, 116213, 232426, 10342957, 20685914]

約数ペア:

[(1, 20685914), (2, 10342957), (89, 232426), (178, 116213), (251, 82414), (463, 44678), (502, 41207), (926, 22339)]