20877021

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23431}}^1$

素因数の和:23454

約数の個数: 20

約数和(自身を含む): 34023264

約数和(自身を除く): 13146243

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23431, 70293, 210879, 257741, 632637, 773223, 1897911, 2319669, 6959007, 20877021]

約数ペア:

[(1, 20877021), (3, 6959007), (9, 2319669), (11, 1897911), (27, 773223), (33, 632637), (81, 257741), (99, 210879), (297, 70293), (891, 23431)]