20425028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3889}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 38884440

約数和(自身を除く): 18459412

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3889, 5252, 7778, 15556, 50557, 101114, 202228, 392789, 785578, 1571156, 5106257, 10212514, 20425028]

約数ペア:

[(1, 20425028), (2, 10212514), (4, 5106257), (13, 1571156), (26, 785578), (52, 392789), (101, 202228), (202, 101114), (404, 50557), (1313, 15556), (2626, 7778), (3889, 5252)]