20512697709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{44507}}^1$

素因数の和:45825

約数の個数: 32

約数和(自身を含む): 33122497536

約数和(自身を除く): 12609799827

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1291, 3873, 9037, 21947, 27111, 44507, 65841, 133521, 153629, 311549, 460887, 756619, 934647, 2269857, 5296333, 15888999, 57458537, 172375611, 402209759, 976795129, 1206629277, 2930385387, 6837565903, 20512697709]

約数ペア:

[(1, 20512697709), (3, 6837565903), (7, 2930385387), (17, 1206629277), (21, 976795129), (51, 402209759), (119, 172375611), (357, 57458537), (1291, 15888999), (3873, 5296333), (9037, 2269857), (21947, 934647), (27111, 756619), (44507, 460887), (65841, 311549), (133521, 153629)]