20943747

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2377}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 33387120

約数和(自身を除く): 12443373

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2377, 2937, 7131, 8811, 21393, 26147, 78441, 211553, 235323, 634659, 1903977, 2327083, 6981249, 20943747]

約数ペア:

[(1, 20943747), (3, 6981249), (9, 2327083), (11, 1903977), (33, 634659), (89, 235323), (99, 211553), (267, 78441), (801, 26147), (979, 21393), (2377, 8811), (2937, 7131)]