20572083

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14679117

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1223, 1869, 2403, 3669, 5607, 8561, 11007, 16821, 25683, 33021, 77049, 108847, 231147, 326541, 761929, 979623, 2285787, 2938869, 6857361, 20572083]

約数ペア:

[(1, 20572083), (3, 6857361), (7, 2938869), (9, 2285787), (21, 979623), (27, 761929), (63, 326541), (89, 231147), (189, 108847), (267, 77049), (623, 33021), (801, 25683), (1223, 16821), (1869, 11007), (2403, 8561), (3669, 5607)]