20456023

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 3597737

約数列:

[1, 7, 71, 79, 497, 521, 553, 3647, 5609, 36991, 39263, 41159, 258937, 288113, 2922289, 20456023]

約数ペア:

[(1, 20456023), (7, 2922289), (71, 288113), (79, 258937), (497, 41159), (521, 39263), (553, 36991), (3647, 5609)]