20016865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1031}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 26303616

約数和(自身を除く): 6286751

約数列:

[1, 5, 11, 55, 353, 1031, 1765, 3883, 5155, 11341, 19415, 56705, 363943, 1819715, 4003373, 20016865]

約数ペア:

[(1, 20016865), (5, 4003373), (11, 1819715), (55, 363943), (353, 56705), (1031, 19415), (1765, 11341), (3883, 5155)]