20657098

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4378

約数の個数: 32

約数和(自身を含む): 39886848

約数和(自身を除く): 19229750

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4327, 4774, 8654, 30289, 47597, 60578, 95194, 134137, 268274, 333179, 666358, 938959, 1475507, 1877918, 2951014, 10328549, 20657098]

約数ペア:

[(1, 20657098), (2, 10328549), (7, 2951014), (11, 1877918), (14, 1475507), (22, 938959), (31, 666358), (62, 333179), (77, 268274), (154, 134137), (217, 95194), (341, 60578), (434, 47597), (682, 30289), (2387, 8654), (4327, 4774)]