20343468621

素因数分解:

$3^1\times 7^2\times {\mathrm{653}}^1\times {\mathrm{211931}}^1$

素因数の和:212601

約数の個数: 24

約数和(自身を含む): 31601604384

約数和(自身を除く): 11258135763

約数列:

[1, 3, 7, 21, 49, 147, 653, 1959, 4571, 13713, 31997, 95991, 211931, 635793, 1483517, 4450551, 10384619, 31153857, 138390943, 415172829, 968736601, 2906209803, 6781156207, 20343468621]

約数ペア:

[(1, 20343468621), (3, 6781156207), (7, 2906209803), (21, 968736601), (49, 415172829), (147, 138390943), (653, 31153857), (1959, 10384619), (4571, 4450551), (13713, 1483517), (31997, 635793), (95991, 211931)]