20363865

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19121}}^1$

素因数の和:19200

約数の個数: 16

約数和(自身を含む): 33042816

約数和(自身を除く): 12678951

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19121, 57363, 95605, 286815, 1357591, 4072773, 6787955, 20363865]

約数ペア:

[(1, 20363865), (3, 6787955), (5, 4072773), (15, 1357591), (71, 286815), (213, 95605), (355, 57363), (1065, 19121)]