20124979679

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{53611}}^1$

素因数の和:53835

約数の個数: 24

約数和(自身を含む): 24055918848

約数和(自身を除く): 3930939169

約数列:

[1, 7, 47, 49, 163, 329, 1141, 2303, 7661, 7987, 53611, 53627, 375277, 375389, 2519717, 2626939, 8738593, 17638019, 61170151, 123466133, 410713871, 428191057, 2874997097, 20124979679]

約数ペア:

[(1, 20124979679), (7, 2874997097), (47, 428191057), (49, 410713871), (163, 123466133), (329, 61170151), (1141, 17638019), (2303, 8738593), (7661, 2626939), (7987, 2519717), (53611, 375389), (53627, 375277)]