20686682008

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{1597}}^1\times {\mathrm{10867}}^1$

素因数の和:12619

約数の個数: 32

約数和(自身を含む): 39075894000

約数和(自身を除く): 18389211992

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 1597, 3194, 6388, 10867, 12776, 21734, 43468, 86936, 237953, 475906, 951812, 1619183, 1903624, 3238366, 6476732, 12953464, 17354599, 34709198, 69418396, 138836792, 2585835251, 5171670502, 10343341004, 20686682008]

約数ペア:

[(1, 20686682008), (2, 10343341004), (4, 5171670502), (8, 2585835251), (149, 138836792), (298, 69418396), (596, 34709198), (1192, 17354599), (1597, 12953464), (3194, 6476732), (6388, 3238366), (10867, 1903624), (12776, 1619183), (21734, 951812), (43468, 475906), (86936, 237953)]