20218557021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{603521}}^1$

素因数の和:604396

約数の個数: 16

約数和(自身を含む): 29065619520

約数和(自身を除く): 8847062499

約数列:

[1, 3, 13, 39, 859, 2577, 11167, 33501, 603521, 1810563, 7845773, 23537319, 518424539, 1555273617, 6739519007, 20218557021]

約数ペア:

[(1, 20218557021), (3, 6739519007), (13, 1555273617), (39, 518424539), (859, 23537319), (2577, 7845773), (11167, 1810563), (33501, 603521)]