20880772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24977}}^1$

素因数の和:25011

約数の個数: 24

約数和(自身を含む): 41963040

約数和(自身を除く): 21082268

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24977, 49954, 99908, 274747, 474563, 549494, 949126, 1098988, 1898252, 5220193, 10440386, 20880772]

約数ペア:

[(1, 20880772), (2, 10440386), (4, 5220193), (11, 1898252), (19, 1098988), (22, 949126), (38, 549494), (44, 474563), (76, 274747), (209, 99908), (418, 49954), (836, 24977)]