20342896

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4961

約数の個数: 40

約数和(自身を含む): 46271840

約数和(自身を除く): 25928944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4909, 9818, 19636, 34363, 39272, 68726, 78544, 137452, 181633, 274904, 363266, 549808, 726532, 1271431, 1453064, 2542862, 2906128, 5085724, 10171448, 20342896]

約数ペア:

[(1, 20342896), (2, 10171448), (4, 5085724), (7, 2906128), (8, 2542862), (14, 1453064), (16, 1271431), (28, 726532), (37, 549808), (56, 363266), (74, 274904), (112, 181633), (148, 137452), (259, 78544), (296, 68726), (518, 39272), (592, 34363), (1036, 19636), (2072, 9818), (4144, 4909)]