20968115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31531}}^1$

素因数の和:31562

約数の個数: 16

約数和(自身を含む): 30270720

約数和(自身を除く): 9302605

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31531, 157655, 220717, 599089, 1103585, 2995445, 4193623, 20968115]

約数ペア:

[(1, 20968115), (5, 4193623), (7, 2995445), (19, 1103585), (35, 599089), (95, 220717), (133, 157655), (665, 31531)]