20260745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 5443255

約数列:

[1, 5, 19, 95, 419, 509, 2095, 2545, 7961, 9671, 39805, 48355, 213271, 1066355, 4052149, 20260745]

約数ペア:

[(1, 20260745), (5, 4052149), (19, 1066355), (95, 213271), (419, 48355), (509, 39805), (2095, 9671), (2545, 7961)]