20646452

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1879}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 37584960

約数和(自身を除く): 16938508

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 1879, 2747, 3758, 5494, 7516, 10988, 77039, 125893, 154078, 251786, 308156, 503572, 5161613, 10323226, 20646452]

約数ペア:

[(1, 20646452), (2, 10323226), (4, 5161613), (41, 503572), (67, 308156), (82, 251786), (134, 154078), (164, 125893), (268, 77039), (1879, 10988), (2747, 7516), (3758, 5494)]