20875756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24971}}^1$

素因数の和:25005

約数の個数: 24

約数和(自身を含む): 41952960

約数和(自身を除く): 21077204

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24971, 49942, 99884, 274681, 474449, 549362, 948898, 1098724, 1897796, 5218939, 10437878, 20875756]

約数ペア:

[(1, 20875756), (2, 10437878), (4, 5218939), (11, 1897796), (19, 1098724), (22, 948898), (38, 549362), (44, 474449), (76, 274681), (209, 99884), (418, 49942), (836, 24971)]