20147950487

素因数分解:

$7^2\times {\mathrm{211}}^1\times {\mathrm{773}}^1\times {\mathrm{2521}}^1$

素因数の和:3519

約数の個数: 24

約数和(自身を含む): 23588306352

約数和(自身を除く): 3440355865

約数列:

[1, 7, 49, 211, 773, 1477, 2521, 5411, 10339, 17647, 37877, 123529, 163103, 531931, 1141721, 1948733, 3723517, 7992047, 13641131, 26064619, 95487917, 411182663, 2878278641, 20147950487]

約数ペア:

[(1, 20147950487), (7, 2878278641), (49, 411182663), (211, 95487917), (773, 26064619), (1477, 13641131), (2521, 7992047), (5411, 3723517), (10339, 1948733), (17647, 1141721), (37877, 531931), (123529, 163103)]