20163776780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3892621}}^1$

素因数の和:3892674

約数の個数: 48

約数和(自身を含む): 49700997696

約数和(自身を除く): 29537220916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 3892621, 7785242, 15570484, 19463105, 27248347, 38926210, 54496694, 77852420, 108993388, 136241735, 144026977, 272483470, 288053954, 544966940, 576107908, 720134885, 1008188839, 1440269770, 2016377678, 2880539540, 4032755356, 5040944195, 10081888390, 20163776780]

約数ペア:

[(1, 20163776780), (2, 10081888390), (4, 5040944195), (5, 4032755356), (7, 2880539540), (10, 2016377678), (14, 1440269770), (20, 1008188839), (28, 720134885), (35, 576107908), (37, 544966940), (70, 288053954), (74, 272483470), (140, 144026977), (148, 136241735), (185, 108993388), (259, 77852420), (370, 54496694), (518, 38926210), (740, 27248347), (1036, 19463105), (1295, 15570484), (2590, 7785242), (5180, 3892621)]