20425496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28057}}^1$

素因数の和:28083

約数の個数: 32

約数和(自身を含む): 47137440

約数和(自身を除く): 26711944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28057, 56114, 112228, 196399, 224456, 364741, 392798, 729482, 785596, 1458964, 1571192, 2553187, 2917928, 5106374, 10212748, 20425496]

約数ペア:

[(1, 20425496), (2, 10212748), (4, 5106374), (7, 2917928), (8, 2553187), (13, 1571192), (14, 1458964), (26, 785596), (28, 729482), (52, 392798), (56, 364741), (91, 224456), (104, 196399), (182, 112228), (364, 56114), (728, 28057)]