20342287264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1137203}}^1$

素因数の和:1137269

約数の個数: 48

約数和(自身を含む): 44132612832

約数和(自身を除く): 23790325568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 1137203, 2274406, 4548812, 9097624, 14783639, 18195248, 29567278, 36390496, 48899729, 59134556, 97799458, 118269112, 195598916, 236538224, 391197832, 473076448, 635696477, 782395664, 1271392954, 1564791328, 2542785908, 5085571816, 10171143632, 20342287264]

約数ペア:

[(1, 20342287264), (2, 10171143632), (4, 5085571816), (8, 2542785908), (13, 1564791328), (16, 1271392954), (26, 782395664), (32, 635696477), (43, 473076448), (52, 391197832), (86, 236538224), (104, 195598916), (172, 118269112), (208, 97799458), (344, 59134556), (416, 48899729), (559, 36390496), (688, 29567278), (1118, 18195248), (1376, 14783639), (2236, 9097624), (4472, 4548812), (8944, 2274406), (17888, 1137203)]