20019591

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5689}}^1$

素因数の和:5735

約数の個数: 24

約数和(自身を含む): 31955040

約数和(自身を除く): 11935449

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5689, 17067, 51201, 96713, 130847, 290139, 392541, 870417, 1177623, 2224399, 6673197, 20019591]

約数ペア:

[(1, 20019591), (3, 6673197), (9, 2224399), (17, 1177623), (23, 870417), (51, 392541), (69, 290139), (153, 130847), (207, 96713), (391, 51201), (1173, 17067), (3519, 5689)]