20265553

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11443}}^1$

素因数の和:11484

約数の個数: 16

約数和(自身を含む): 26366976

約数和(自身を除く): 6101423

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11443, 80101, 125873, 263189, 881111, 1842323, 2895079, 20265553]

約数ペア:

[(1, 20265553), (7, 2895079), (11, 1842323), (23, 881111), (77, 263189), (161, 125873), (253, 80101), (1771, 11443)]