20487472

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3547}}^1$

素因数の和:3593

約数の個数: 30

約数和(自身を含む): 41905428

約数和(自身を除く): 21417956

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3547, 5776, 7094, 14188, 28376, 56752, 67393, 134786, 269572, 539144, 1078288, 1280467, 2560934, 5121868, 10243736, 20487472]

約数ペア:

[(1, 20487472), (2, 10243736), (4, 5121868), (8, 2560934), (16, 1280467), (19, 1078288), (38, 539144), (76, 269572), (152, 134786), (304, 67393), (361, 56752), (722, 28376), (1444, 14188), (2888, 7094), (3547, 5776)]