20205441

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 30635904

約数和(自身を除く): 10430463

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1291, 1739, 3873, 5217, 11619, 15651, 47767, 60677, 143301, 182031, 429903, 546093, 2245049, 6735147, 20205441]

約数ペア:

[(1, 20205441), (3, 6735147), (9, 2245049), (37, 546093), (47, 429903), (111, 182031), (141, 143301), (333, 60677), (423, 47767), (1291, 15651), (1739, 11619), (3873, 5217)]