20129665

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 25288848

約数和(自身を除く): 5159183

約数列:

[1, 5, 37, 53, 185, 265, 1961, 2053, 9805, 10265, 75961, 108809, 379805, 544045, 4025933, 20129665]

約数ペア:

[(1, 20129665), (5, 4025933), (37, 544045), (53, 379805), (185, 108809), (265, 75961), (1961, 10265), (2053, 9805)]