20754508

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16289492

約数列:

[1, 2, 4, 97, 149, 194, 298, 359, 388, 596, 718, 1436, 14453, 28906, 34823, 53491, 57812, 69646, 106982, 139292, 213964, 5188627, 10377254, 20754508]

約数ペア:

[(1, 20754508), (2, 10377254), (4, 5188627), (97, 213964), (149, 139292), (194, 106982), (298, 69646), (359, 57812), (388, 53491), (596, 34823), (718, 28906), (1436, 14453)]