20897294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41299}}^1$

素因数の和:41335

約数の個数: 16

約数和(自身を含む): 35683200

約数和(自身を除く): 14785906

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41299, 82598, 454289, 908578, 949877, 1899754, 10448647, 20897294]

約数ペア:

[(1, 20897294), (2, 10448647), (11, 1899754), (22, 949877), (23, 908578), (46, 454289), (253, 82598), (506, 41299)]