20123983470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{5479}}^1$

素因数の和:6321

約数の個数: 64

約数和(自身を含む): 48635043840

約数和(自身を除く): 28511060370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 191, 382, 573, 641, 955, 1146, 1282, 1910, 1923, 2865, 3205, 3846, 5479, 5730, 6410, 9615, 10958, 16437, 19230, 27395, 32874, 54790, 82185, 122431, 164370, 244862, 367293, 612155, 734586, 1046489, 1224310, 1836465, 2092978, 3139467, 3512039, 3672930, 5232445, 6278934, 7024078, 10464890, 10536117, 15697335, 17560195, 21072234, 31394670, 35120390, 52680585, 105361170, 670799449, 1341598898, 2012398347, 3353997245, 4024796694, 6707994490, 10061991735, 20123983470]

約数ペア:

[(1, 20123983470), (2, 10061991735), (3, 6707994490), (5, 4024796694), (6, 3353997245), (10, 2012398347), (15, 1341598898), (30, 670799449), (191, 105361170), (382, 52680585), (573, 35120390), (641, 31394670), (955, 21072234), (1146, 17560195), (1282, 15697335), (1910, 10536117), (1923, 10464890), (2865, 7024078), (3205, 6278934), (3846, 5232445), (5479, 3672930), (5730, 3512039), (6410, 3139467), (9615, 2092978), (10958, 1836465), (16437, 1224310), (19230, 1046489), (27395, 734586), (32874, 612155), (54790, 367293), (82185, 244862), (122431, 164370)]