20019402

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6581}}^1$

素因数の和:6615

約数の個数: 36

約数和(自身を含む): 46975734

約数和(自身を除く): 26956332

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6581, 13162, 19743, 39486, 59229, 85553, 118458, 171106, 256659, 513318, 769977, 1112189, 1539954, 2224378, 3336567, 6673134, 10009701, 20019402]

約数ペア:

[(1, 20019402), (2, 10009701), (3, 6673134), (6, 3336567), (9, 2224378), (13, 1539954), (18, 1112189), (26, 769977), (39, 513318), (78, 256659), (117, 171106), (169, 118458), (234, 85553), (338, 59229), (507, 39486), (1014, 19743), (1521, 13162), (3042, 6581)]