20656724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24709}}^1$

素因数の和:24743

約数の個数: 24

約数和(自身を含む): 41512800

約数和(自身を除く): 20856076

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24709, 49418, 98836, 271799, 469471, 543598, 938942, 1087196, 1877884, 5164181, 10328362, 20656724]

約数ペア:

[(1, 20656724), (2, 10328362), (4, 5164181), (11, 1877884), (19, 1087196), (22, 938942), (38, 543598), (44, 469471), (76, 271799), (209, 98836), (418, 49418), (836, 24709)]