20935838

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19421}}^1$

素因数の和:19448

約数の個数: 24

約数和(自身を含む): 39853944

約数和(自身を除く): 18918106

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19421, 38842, 135947, 213631, 271894, 427262, 951629, 1495417, 1903258, 2990834, 10467919, 20935838]

約数ペア:

[(1, 20935838), (2, 10467919), (7, 2990834), (11, 1903258), (14, 1495417), (22, 951629), (49, 427262), (77, 271894), (98, 213631), (154, 135947), (539, 38842), (1078, 19421)]