20163786651

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39305627}}^1$

素因数の和:39305655

約数の個数: 16

約数和(自身を含む): 31444502400

約数和(自身を除く): 11280715749

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39305627, 117916881, 353750643, 746806913, 1061251929, 2240420739, 6721262217, 20163786651]

約数ペア:

[(1, 20163786651), (3, 6721262217), (9, 2240420739), (19, 1061251929), (27, 746806913), (57, 353750643), (171, 117916881), (513, 39305627)]