20010738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 45083808

約数和(自身を除く): 25073070

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 641, 726, 946, 1282, 1419, 1923, 2838, 3846, 5203, 7051, 10406, 14102, 15609, 21153, 27563, 31218, 42306, 55126, 77561, 82689, 155122, 165378, 232683, 303193, 465366, 606386, 909579, 1819158, 3335123, 6670246, 10005369, 20010738]

約数ペア:

[(1, 20010738), (2, 10005369), (3, 6670246), (6, 3335123), (11, 1819158), (22, 909579), (33, 606386), (43, 465366), (66, 303193), (86, 232683), (121, 165378), (129, 155122), (242, 82689), (258, 77561), (363, 55126), (473, 42306), (641, 31218), (726, 27563), (946, 21153), (1282, 15609), (1419, 14102), (1923, 10406), (2838, 7051), (3846, 5203)]