20854610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1973}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 43206912

約数和(自身を除く): 22352302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 1973, 2114, 3946, 5285, 9865, 10570, 13811, 19730, 27622, 69055, 138110, 297923, 595846, 1489615, 2085461, 2979230, 4170922, 10427305, 20854610]

約数ペア:

[(1, 20854610), (2, 10427305), (5, 4170922), (7, 2979230), (10, 2085461), (14, 1489615), (35, 595846), (70, 297923), (151, 138110), (302, 69055), (755, 27622), (1057, 19730), (1510, 13811), (1973, 10570), (2114, 9865), (3946, 5285)]