20399084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1931}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 37867200

約数和(自身を除く): 17468116

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 1931, 2641, 3862, 5282, 7724, 10564, 36689, 73378, 146756, 268409, 536818, 1073636, 5099771, 10199542, 20399084]

約数ペア:

[(1, 20399084), (2, 10199542), (4, 5099771), (19, 1073636), (38, 536818), (76, 268409), (139, 146756), (278, 73378), (556, 36689), (1931, 10564), (2641, 7724), (3862, 5282)]