20854533

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52267}}^1$

素因数の和:52296

約数の個数: 16

約数和(自身を含む): 33451520

約数和(自身を除く): 12596987

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 52267, 156801, 365869, 993073, 1097607, 2979219, 6951511, 20854533]

約数ペア:

[(1, 20854533), (3, 6951511), (7, 2979219), (19, 1097607), (21, 993073), (57, 365869), (133, 156801), (399, 52267)]