20996402

素因数分解:

$2^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 37171200

約数和(自身を除く): 16174798

約数列:

[1, 2, 7, 14, 49, 98, 127, 241, 254, 343, 482, 686, 889, 1687, 1778, 3374, 6223, 11809, 12446, 23618, 30607, 43561, 61214, 82663, 87122, 165326, 214249, 428498, 1499743, 2999486, 10498201, 20996402]

約数ペア:

[(1, 20996402), (2, 10498201), (7, 2999486), (14, 1499743), (49, 428498), (98, 214249), (127, 165326), (241, 87122), (254, 82663), (343, 61214), (482, 43561), (686, 30607), (889, 23618), (1687, 12446), (1778, 11809), (3374, 6223)]