20874906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89209}}^1$

素因数の和:89230

約数の個数: 24

約数和(自身を含む): 48708660

約数和(自身を除く): 27833754

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89209, 178418, 267627, 535254, 802881, 1159717, 1605762, 2319434, 3479151, 6958302, 10437453, 20874906]

約数ペア:

[(1, 20874906), (2, 10437453), (3, 6958302), (6, 3479151), (9, 2319434), (13, 1605762), (18, 1159717), (26, 802881), (39, 535254), (78, 267627), (117, 178418), (234, 89209)]