20097535108

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{653}}^1\times {\mathrm{1307}}^1$

素因数の和:2029

約数の個数: 72

約数和(自身を含む): 41724551232

約数和(自身を除く): 21627016124

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 653, 812, 841, 1306, 1307, 1682, 2612, 2614, 3364, 4571, 5228, 5887, 9142, 9149, 11774, 18284, 18298, 18937, 23548, 36596, 37874, 37903, 75748, 75806, 132559, 151612, 265118, 265321, 530236, 530642, 549173, 853471, 1061284, 1098346, 1099187, 1706942, 2196692, 2198374, 3413884, 3844211, 4396748, 5974297, 7688422, 7694309, 11948594, 15376844, 15388618, 23897188, 24750659, 30777236, 49501318, 99002636, 173254613, 346509226, 693018452, 717769111, 1435538222, 2871076444, 5024383777, 10048767554, 20097535108]

約数ペア:

[(1, 20097535108), (2, 10048767554), (4, 5024383777), (7, 2871076444), (14, 1435538222), (28, 717769111), (29, 693018452), (58, 346509226), (116, 173254613), (203, 99002636), (406, 49501318), (653, 30777236), (812, 24750659), (841, 23897188), (1306, 15388618), (1307, 15376844), (1682, 11948594), (2612, 7694309), (2614, 7688422), (3364, 5974297), (4571, 4396748), (5228, 3844211), (5887, 3413884), (9142, 2198374), (9149, 2196692), (11774, 1706942), (18284, 1099187), (18298, 1098346), (18937, 1061284), (23548, 853471), (36596, 549173), (37874, 530642), (37903, 530236), (75748, 265321), (75806, 265118), (132559, 151612)]