20128786101

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{235747}}^1$

素因数の和:235985

約数の個数: 24

約数和(自身を含む): 29789117280

約数和(自身を除く): 9660331179

約数列:

[1, 3, 9, 53, 159, 179, 477, 537, 1611, 9487, 28461, 85383, 235747, 707241, 2121723, 12494591, 37483773, 42198713, 112451319, 126596139, 379788417, 2236531789, 6709595367, 20128786101]

約数ペア:

[(1, 20128786101), (3, 6709595367), (9, 2236531789), (53, 379788417), (159, 126596139), (179, 112451319), (477, 42198713), (537, 37483773), (1611, 12494591), (9487, 2121723), (28461, 707241), (85383, 235747)]