20176625287

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{27809}}^1$

素因数の和:27920

約数の個数: 48

約数和(自身を含む): 27163473120

約数和(自身を除く): 6986847833

約数列:

[1, 7, 13, 17, 49, 67, 91, 119, 221, 469, 637, 833, 871, 1139, 1547, 3283, 6097, 7973, 10829, 14807, 27809, 42679, 55811, 103649, 194663, 361517, 472753, 725543, 1362641, 1863203, 2530619, 3309271, 6145789, 13042421, 17714333, 23164897, 24221639, 31674451, 43020523, 91296947, 169551473, 221721157, 301143661, 411767863, 1186860311, 1552048099, 2882375041, 20176625287]

約数ペア:

[(1, 20176625287), (7, 2882375041), (13, 1552048099), (17, 1186860311), (49, 411767863), (67, 301143661), (91, 221721157), (119, 169551473), (221, 91296947), (469, 43020523), (637, 31674451), (833, 24221639), (871, 23164897), (1139, 17714333), (1547, 13042421), (3283, 6145789), (6097, 3309271), (7973, 2530619), (10829, 1863203), (14807, 1362641), (27809, 725543), (42679, 472753), (55811, 361517), (103649, 194663)]