20534345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 28108800

約数和(自身を除く): 7574455

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1279, 3211, 6395, 16055, 16627, 24301, 83135, 121505, 216151, 315913, 1080755, 1579565, 4106869, 20534345]

約数ペア:

[(1, 20534345), (5, 4106869), (13, 1579565), (19, 1080755), (65, 315913), (95, 216151), (169, 121505), (247, 83135), (845, 24301), (1235, 16627), (1279, 16055), (3211, 6395)]