20176901481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{739}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 30607441920

約数和(自身を除く): 10430540439

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 271, 473, 739, 781, 813, 1419, 2217, 2343, 2981, 3053, 8129, 8943, 9159, 11653, 19241, 24387, 31777, 33583, 34959, 52469, 57723, 95331, 100749, 128183, 157407, 200269, 211651, 349547, 384549, 577159, 600807, 634953, 827363, 1048641, 1731477, 2202959, 2256167, 2482089, 6608877, 6768501, 8611567, 9100993, 14219099, 24817837, 25834701, 27302979, 42657297, 74453511, 94727237, 156410089, 284181711, 469230267, 611421257, 1834263771, 6725633827, 20176901481]

約数ペア:

[(1, 20176901481), (3, 6725633827), (11, 1834263771), (33, 611421257), (43, 469230267), (71, 284181711), (129, 156410089), (213, 94727237), (271, 74453511), (473, 42657297), (739, 27302979), (781, 25834701), (813, 24817837), (1419, 14219099), (2217, 9100993), (2343, 8611567), (2981, 6768501), (3053, 6608877), (8129, 2482089), (8943, 2256167), (9159, 2202959), (11653, 1731477), (19241, 1048641), (24387, 827363), (31777, 634953), (33583, 600807), (34959, 577159), (52469, 384549), (57723, 349547), (95331, 211651), (100749, 200269), (128183, 157407)]