20763378

素因数分解:

$2^1\times 3^7\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 27413262

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 101, 141, 162, 202, 243, 282, 303, 423, 486, 606, 729, 846, 909, 1269, 1458, 1818, 2187, 2538, 2727, 3807, 4374, 4747, 5454, 7614, 8181, 9494, 11421, 14241, 16362, 22842, 24543, 28482, 34263, 42723, 49086, 68526, 73629, 85446, 102789, 128169, 147258, 205578, 220887, 256338, 384507, 441774, 769014, 1153521, 2307042, 3460563, 6921126, 10381689, 20763378]

約数ペア:

[(1, 20763378), (2, 10381689), (3, 6921126), (6, 3460563), (9, 2307042), (18, 1153521), (27, 769014), (47, 441774), (54, 384507), (81, 256338), (94, 220887), (101, 205578), (141, 147258), (162, 128169), (202, 102789), (243, 85446), (282, 73629), (303, 68526), (423, 49086), (486, 42723), (606, 34263), (729, 28482), (846, 24543), (909, 22842), (1269, 16362), (1458, 14241), (1818, 11421), (2187, 9494), (2538, 8181), (2727, 7614), (3807, 5454), (4374, 4747)]