20377401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10726599

約数列:

[1, 3, 11, 29, 33, 87, 107, 199, 319, 321, 597, 957, 1177, 2189, 3103, 3531, 5771, 6567, 9309, 17313, 21293, 34133, 63481, 63879, 102399, 190443, 234223, 617497, 702669, 1852491, 6792467, 20377401]

約数ペア:

[(1, 20377401), (3, 6792467), (11, 1852491), (29, 702669), (33, 617497), (87, 234223), (107, 190443), (199, 102399), (319, 63879), (321, 63481), (597, 34133), (957, 21293), (1177, 17313), (2189, 9309), (3103, 6567), (3531, 5771)]