20614809

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 28387520

約数和(自身を除く): 7772711

約数列:

[1, 3, 37, 111, 229, 687, 811, 2433, 8473, 25419, 30007, 90021, 185719, 557157, 6871603, 20614809]

約数ペア:

[(1, 20614809), (3, 6871603), (37, 557157), (111, 185719), (229, 90021), (687, 30007), (811, 25419), (2433, 8473)]