20142148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{761}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 38084760

約数和(自身を除く): 17942612

約数列:

[1, 2, 4, 13, 26, 52, 509, 761, 1018, 1522, 2036, 3044, 6617, 9893, 13234, 19786, 26468, 39572, 387349, 774698, 1549396, 5035537, 10071074, 20142148]

約数ペア:

[(1, 20142148), (2, 10071074), (4, 5035537), (13, 1549396), (26, 774698), (52, 387349), (509, 39572), (761, 26468), (1018, 19786), (1522, 13234), (2036, 9893), (3044, 6617)]