20228979

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 28098720

約数和(自身を除く): 7869741

約数列:

[1, 3, 29, 87, 157, 471, 1481, 4443, 4553, 13659, 42949, 128847, 232517, 697551, 6742993, 20228979]

約数ペア:

[(1, 20228979), (3, 6742993), (29, 697551), (87, 232517), (157, 128847), (471, 42949), (1481, 13659), (4443, 4553)]