20469843

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61471}}^1$

素因数の和:61514

約数の個数: 12

約数和(自身を含む): 30367168

約数和(自身を除く): 9897325

約数列:

[1, 3, 9, 37, 111, 333, 61471, 184413, 553239, 2274427, 6823281, 20469843]

約数ペア:

[(1, 20469843), (3, 6823281), (9, 2274427), (37, 553239), (111, 184413), (333, 61471)]