20193159

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18143}}^1$

素因数の和:18206

約数の個数: 16

約数和(自身を含む): 31352832

約数和(自身を除く): 11159673

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18143, 54429, 127001, 381003, 961579, 2884737, 6731053, 20193159]

約数ペア:

[(1, 20193159), (3, 6731053), (7, 2884737), (21, 961579), (53, 381003), (159, 127001), (371, 54429), (1113, 18143)]