20522522878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{2999}}^1$

素因数の和:3433

約数の個数: 64

約数和(自身を含む): 36796032000

約数和(自身を除く): 16273509122

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 337, 674, 781, 923, 1562, 1846, 2999, 3707, 4381, 5998, 7414, 8762, 10153, 20306, 23927, 32989, 38987, 47854, 48191, 65978, 77974, 96382, 212929, 263197, 311051, 425858, 428857, 526394, 622102, 857714, 1010663, 2021326, 2342219, 2768077, 3421561, 4684438, 5536154, 6843122, 11117293, 13138619, 22234586, 26277238, 30448847, 60897694, 71757073, 143514146, 144524809, 289049618, 789327803, 932841949, 1578655606, 1865683898, 10261261439, 20522522878]

約数ペア:

[(1, 20522522878), (2, 10261261439), (11, 1865683898), (13, 1578655606), (22, 932841949), (26, 789327803), (71, 289049618), (142, 144524809), (143, 143514146), (286, 71757073), (337, 60897694), (674, 30448847), (781, 26277238), (923, 22234586), (1562, 13138619), (1846, 11117293), (2999, 6843122), (3707, 5536154), (4381, 4684438), (5998, 3421561), (7414, 2768077), (8762, 2342219), (10153, 2021326), (20306, 1010663), (23927, 857714), (32989, 622102), (38987, 526394), (47854, 428857), (48191, 425858), (65978, 311051), (77974, 263197), (96382, 212929)]