20673843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7717}}^1$

素因数の和:7786

約数の個数: 16

約数和(自身を含む): 29637120

約数和(自身を除く): 8963277

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7717, 23151, 146623, 362699, 439869, 1088097, 6891281, 20673843]

約数ペア:

[(1, 20673843), (3, 6891281), (19, 1088097), (47, 439869), (57, 362699), (141, 146623), (893, 23151), (2679, 7717)]