20847476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17431}}^1$

素因数の和:17471

約数の個数: 24

約数和(自身を含む): 41000064

約数和(自身を除く): 20152588

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17431, 34862, 69724, 226603, 400913, 453206, 801826, 906412, 1603652, 5211869, 10423738, 20847476]

約数ペア:

[(1, 20847476), (2, 10423738), (4, 5211869), (13, 1603652), (23, 906412), (26, 801826), (46, 453206), (52, 400913), (92, 226603), (299, 69724), (598, 34862), (1196, 17431)]