20679417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 32965920

約数和(自身を除く): 12286503

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2347, 2937, 7041, 8811, 21123, 25817, 77451, 208883, 232353, 626649, 1879947, 2297713, 6893139, 20679417]

約数ペア:

[(1, 20679417), (3, 6893139), (9, 2297713), (11, 1879947), (33, 626649), (89, 232353), (99, 208883), (267, 77451), (801, 25817), (979, 21123), (2347, 8811), (2937, 7041)]