20227978988

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1\times {\mathrm{9277}}^1$

素因数の和:11142

約数の個数: 48

約数和(自身を含む): 41424117504

約数和(自身を除く): 21196138516

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1811, 3622, 7244, 9277, 12677, 18554, 25354, 37108, 50708, 64939, 77873, 129878, 155746, 259756, 311492, 398911, 545111, 797822, 1090222, 1595644, 2180444, 2792377, 5584754, 11169508, 16800647, 33601294, 67202588, 117604529, 235209058, 470418116, 722427821, 1444855642, 2889711284, 5056994747, 10113989494, 20227978988]

約数ペア:

[(1, 20227978988), (2, 10113989494), (4, 5056994747), (7, 2889711284), (14, 1444855642), (28, 722427821), (43, 470418116), (86, 235209058), (172, 117604529), (301, 67202588), (602, 33601294), (1204, 16800647), (1811, 11169508), (3622, 5584754), (7244, 2792377), (9277, 2180444), (12677, 1595644), (18554, 1090222), (25354, 797822), (37108, 545111), (50708, 398911), (64939, 311492), (77873, 259756), (129878, 155746)]