20301021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 31799040

約数和(自身を除く): 11498019

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 1039, 1503, 2171, 3117, 6513, 9351, 13507, 19539, 40521, 121563, 173513, 520539, 1561617, 2255669, 6767007, 20301021]

約数ペア:

[(1, 20301021), (3, 6767007), (9, 2255669), (13, 1561617), (39, 520539), (117, 173513), (167, 121563), (501, 40521), (1039, 19539), (1503, 13507), (2171, 9351), (3117, 6513)]