20778737532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1693}}^1\times {\mathrm{20873}}^1$

素因数の和:22587

約数の個数: 72

約数和(自身を含む): 56435447376

約数和(自身を除く): 35656709844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1693, 3386, 5079, 6772, 10158, 11851, 20316, 20873, 23702, 35553, 41746, 47404, 62619, 71106, 82957, 83492, 125238, 142212, 146111, 165914, 248871, 250476, 292222, 331828, 438333, 497742, 584444, 876666, 995484, 1022777, 1753332, 2045554, 3068331, 4091108, 6136662, 12273324, 35337989, 70675978, 106013967, 141351956, 212027934, 247365923, 424055868, 494731846, 742097769, 989463692, 1484195538, 1731561461, 2968391076, 3463122922, 5194684383, 6926245844, 10389368766, 20778737532]

約数ペア:

[(1, 20778737532), (2, 10389368766), (3, 6926245844), (4, 5194684383), (6, 3463122922), (7, 2968391076), (12, 1731561461), (14, 1484195538), (21, 989463692), (28, 742097769), (42, 494731846), (49, 424055868), (84, 247365923), (98, 212027934), (147, 141351956), (196, 106013967), (294, 70675978), (588, 35337989), (1693, 12273324), (3386, 6136662), (5079, 4091108), (6772, 3068331), (10158, 2045554), (11851, 1753332), (20316, 1022777), (20873, 995484), (23702, 876666), (35553, 584444), (41746, 497742), (47404, 438333), (62619, 331828), (71106, 292222), (82957, 250476), (83492, 248871), (125238, 165914), (142212, 146111)]