20384210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27391534

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1151, 1265, 1610, 1771, 2302, 2530, 3542, 5755, 8057, 8855, 11510, 12661, 16114, 17710, 25322, 26473, 40285, 52946, 63305, 80570, 88627, 126610, 132365, 177254, 185311, 264730, 291203, 370622, 443135, 582406, 886270, 926555, 1456015, 1853110, 2038421, 2912030, 4076842, 10192105, 20384210]

約数ペア:

[(1, 20384210), (2, 10192105), (5, 4076842), (7, 2912030), (10, 2038421), (11, 1853110), (14, 1456015), (22, 926555), (23, 886270), (35, 582406), (46, 443135), (55, 370622), (70, 291203), (77, 264730), (110, 185311), (115, 177254), (154, 132365), (161, 126610), (230, 88627), (253, 80570), (322, 63305), (385, 52946), (506, 40285), (770, 26473), (805, 25322), (1151, 17710), (1265, 16114), (1610, 12661), (1771, 11510), (2302, 8855), (2530, 8057), (3542, 5755)]