20512890873

素因数分解:

$3^3\times {\mathrm{13399}}^1\times {\mathrm{56701}}^1$

素因数の和:70109

約数の個数: 16

約数和(自身を含む): 30392272000

約数和(自身を除く): 9879381127

約数列:

[1, 3, 9, 27, 13399, 40197, 56701, 120591, 170103, 361773, 510309, 1530927, 759736699, 2279210097, 6837630291, 20512890873]

約数ペア:

[(1, 20512890873), (3, 6837630291), (9, 2279210097), (27, 759736699), (13399, 1530927), (40197, 510309), (56701, 361773), (120591, 170103)]