20249642

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1627}}^1$

素因数の和:1770

約数の個数: 24

約数和(自身を含む): 35633664

約数和(自身を除く): 15384022

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1627, 1778, 3254, 6223, 11389, 12446, 22778, 79723, 159446, 206629, 413258, 1446403, 2892806, 10124821, 20249642]

約数ペア:

[(1, 20249642), (2, 10124821), (7, 2892806), (14, 1446403), (49, 413258), (98, 206629), (127, 159446), (254, 79723), (889, 22778), (1627, 12446), (1778, 11389), (3254, 6223)]