20572877

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 24156000

約数和(自身を除く): 3583123

約数列:

[1, 13, 19, 43, 149, 169, 247, 559, 817, 1937, 2831, 3211, 6407, 7267, 10621, 25181, 36803, 83291, 121733, 138073, 478439, 1082783, 1582529, 20572877]

約数ペア:

[(1, 20572877), (13, 1582529), (19, 1082783), (43, 478439), (149, 138073), (169, 121733), (247, 83291), (559, 36803), (817, 25181), (1937, 10621), (2831, 7267), (3211, 6407)]