20840694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13411}}^1$

素因数の和:13460

約数の個数: 32

約数和(自身を含む): 48926976

約数和(自身を除く): 28086282

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13411, 26822, 40233, 80466, 93877, 187754, 281631, 496207, 563262, 992414, 1488621, 2977242, 3473449, 6946898, 10420347, 20840694]

約数ペア:

[(1, 20840694), (2, 10420347), (3, 6946898), (6, 3473449), (7, 2977242), (14, 1488621), (21, 992414), (37, 563262), (42, 496207), (74, 281631), (111, 187754), (222, 93877), (259, 80466), (518, 40233), (777, 26822), (1554, 13411)]