20522096

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2001

約数の個数: 40

約数和(自身を含む): 45934560

約数和(自身を除く): 25412464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1889, 2716, 3778, 5432, 7556, 10864, 13223, 15112, 26446, 30224, 52892, 105784, 183233, 211568, 366466, 732932, 1282631, 1465864, 2565262, 2931728, 5130524, 10261048, 20522096]

約数ペア:

[(1, 20522096), (2, 10261048), (4, 5130524), (7, 2931728), (8, 2565262), (14, 1465864), (16, 1282631), (28, 732932), (56, 366466), (97, 211568), (112, 183233), (194, 105784), (388, 52892), (679, 30224), (776, 26446), (1358, 15112), (1552, 13223), (1889, 10864), (2716, 7556), (3778, 5432)]