20996212

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 17257388

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2069, 2537, 4138, 5074, 8276, 10148, 88967, 122071, 177934, 244142, 355868, 488284, 5249053, 10498106, 20996212]

約数ペア:

[(1, 20996212), (2, 10498106), (4, 5249053), (43, 488284), (59, 355868), (86, 244142), (118, 177934), (172, 122071), (236, 88967), (2069, 10148), (2537, 8276), (4138, 5074)]