20513305729

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{74101}}^1$

素因数の和:74736

約数の個数: 16

約数和(自身を含む): 23816975616

約数和(自身を除く): 3303669887

約数列:

[1, 7, 71, 497, 557, 3899, 39547, 74101, 276829, 518707, 5261171, 36828197, 41274257, 288919799, 2930472247, 20513305729]

約数ペア:

[(1, 20513305729), (7, 2930472247), (71, 288919799), (497, 41274257), (557, 36828197), (3899, 5261171), (39547, 518707), (74101, 276829)]