20701089

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13451}}^1$

素因数の和:13482

約数の個数: 20

約数和(自身を含む): 32553840

約数和(自身を除く): 11852751

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13451, 40353, 121059, 255569, 363177, 766707, 1089531, 2300121, 6900363, 20701089]

約数ペア:

[(1, 20701089), (3, 6900363), (9, 2300121), (19, 1089531), (27, 766707), (57, 363177), (81, 255569), (171, 121059), (513, 40353), (1539, 13451)]