20406773373

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12300647}}^1$

素因数の和:12300736

約数の個数: 16

約数和(自身を含む): 31489658880

約数和(自身を除く): 11082885507

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12300647, 36901941, 86104529, 258313587, 971751113, 2915253339, 6802257791, 20406773373]

約数ペア:

[(1, 20406773373), (3, 6802257791), (7, 2915253339), (21, 971751113), (79, 258313587), (237, 86104529), (553, 36901941), (1659, 12300647)]