20468357

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 27143424

約数和(自身を除く): 6675067

約数列:

[1, 7, 13, 17, 91, 101, 119, 131, 221, 707, 917, 1313, 1547, 1703, 1717, 2227, 9191, 11921, 12019, 13231, 15589, 22321, 28951, 92617, 156247, 172003, 202657, 224927, 1204021, 1574489, 2924051, 20468357]

約数ペア:

[(1, 20468357), (7, 2924051), (13, 1574489), (17, 1204021), (91, 224927), (101, 202657), (119, 172003), (131, 156247), (221, 92617), (707, 28951), (917, 22321), (1313, 15589), (1547, 13231), (1703, 12019), (1717, 11921), (2227, 9191)]