20454953169

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{90031}}^1$

素因数の和:90421

約数の個数: 32

約数和(自身を含む): 32267468800

約数和(自身を除く): 11812515631

約数列:

[1, 3, 7, 21, 31, 93, 217, 349, 651, 1047, 2443, 7329, 10819, 32457, 75733, 90031, 227199, 270093, 630217, 1890651, 2790961, 8372883, 19536727, 31420819, 58610181, 94262457, 219945733, 659837199, 974045389, 2922136167, 6818317723, 20454953169]

約数ペア:

[(1, 20454953169), (3, 6818317723), (7, 2922136167), (21, 974045389), (31, 659837199), (93, 219945733), (217, 94262457), (349, 58610181), (651, 31420819), (1047, 19536727), (2443, 8372883), (7329, 2790961), (10819, 1890651), (32457, 630217), (75733, 270093), (90031, 227199)]