20208748

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5683}}^1$

素因数の和:5821

約数の個数: 24

約数和(自身を含む): 40742912

約数和(自身を除く): 20534164

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5683, 11366, 22732, 39781, 79562, 159124, 721741, 1443482, 2886964, 5052187, 10104374, 20208748]

約数ペア:

[(1, 20208748), (2, 10104374), (4, 5052187), (7, 2886964), (14, 1443482), (28, 721741), (127, 159124), (254, 79562), (508, 39781), (889, 22732), (1778, 11366), (3556, 5683)]