20383660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8423}}^1$

素因数の和:8454

約数の個数: 36

約数和(自身を含む): 47056464

約数和(自身を除く): 26672804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8423, 16846, 33692, 42115, 84230, 92653, 168460, 185306, 370612, 463265, 926530, 1019183, 1853060, 2038366, 4076732, 5095915, 10191830, 20383660]

約数ペア:

[(1, 20383660), (2, 10191830), (4, 5095915), (5, 4076732), (10, 2038366), (11, 1853060), (20, 1019183), (22, 926530), (44, 463265), (55, 370612), (110, 185306), (121, 168460), (220, 92653), (242, 84230), (484, 42115), (605, 33692), (1210, 16846), (2420, 8423)]