20565559017

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40088809}}^1$

素因数の和:40088837

約数の個数: 16

約数和(自身を含む): 32071048000

約数和(自身を除く): 11505488983

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40088809, 120266427, 360799281, 761687371, 1082397843, 2285062113, 6855186339, 20565559017]

約数ペア:

[(1, 20565559017), (3, 6855186339), (9, 2285062113), (19, 1082397843), (27, 761687371), (57, 360799281), (171, 120266427), (513, 40088809)]