20395227

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 30597120

約数和(自身を除く): 10201893

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 331, 437, 893, 993, 1081, 1311, 2679, 3243, 6289, 7613, 15557, 18867, 20539, 22839, 46671, 61617, 144647, 295583, 357811, 433941, 886749, 1073433, 6798409, 20395227]

約数ペア:

[(1, 20395227), (3, 6798409), (19, 1073433), (23, 886749), (47, 433941), (57, 357811), (69, 295583), (141, 144647), (331, 61617), (437, 46671), (893, 22839), (993, 20539), (1081, 18867), (1311, 15557), (2679, 7613), (3243, 6289)]