20512653028

素因数分解:

$2^2\times 7^2\times {\mathrm{1511}}^1\times {\mathrm{69263}}^1$

素因数の和:70792

約数の個数: 36

約数和(自身を含む): 41786140032

約数和(自身を除く): 21273487004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1511, 3022, 6044, 10577, 21154, 42308, 69263, 74039, 138526, 148078, 277052, 296156, 484841, 969682, 1939364, 3393887, 6787774, 13575548, 104656393, 209312786, 418625572, 732594751, 1465189502, 2930379004, 5128163257, 10256326514, 20512653028]

約数ペア:

[(1, 20512653028), (2, 10256326514), (4, 5128163257), (7, 2930379004), (14, 1465189502), (28, 732594751), (49, 418625572), (98, 209312786), (196, 104656393), (1511, 13575548), (3022, 6787774), (6044, 3393887), (10577, 1939364), (21154, 969682), (42308, 484841), (69263, 296156), (74039, 277052), (138526, 148078)]