20604663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 31775328

約数和(自身を除く): 11170665

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 983, 1233, 2329, 2949, 6987, 8847, 16711, 20961, 50133, 134671, 150399, 404013, 1212039, 2289407, 6868221, 20604663]

約数ペア:

[(1, 20604663), (3, 6868221), (9, 2289407), (17, 1212039), (51, 404013), (137, 150399), (153, 134671), (411, 50133), (983, 20961), (1233, 16711), (2329, 8847), (2949, 6987)]