20188887

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8237}}^1$

素因数の和:8302

約数の個数: 16

約数和(自身を含む): 28997760

約数和(自身を除く): 8808873

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8237, 24711, 156503, 354191, 469509, 1062573, 6729629, 20188887]

約数ペア:

[(1, 20188887), (3, 6729629), (19, 1062573), (43, 469509), (57, 354191), (129, 156503), (817, 24711), (2451, 8237)]