20788642

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 36

約数和(自身を含む): 38014326

約数和(自身を除く): 17225684

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 401, 529, 802, 1058, 1127, 2254, 2807, 3703, 5614, 7406, 9223, 18446, 19649, 25921, 39298, 51842, 64561, 129122, 212129, 424258, 451927, 903854, 1484903, 2969806, 10394321, 20788642]

約数ペア:

[(1, 20788642), (2, 10394321), (7, 2969806), (14, 1484903), (23, 903854), (46, 451927), (49, 424258), (98, 212129), (161, 129122), (322, 64561), (401, 51842), (529, 39298), (802, 25921), (1058, 19649), (1127, 18446), (2254, 9223), (2807, 7406), (3703, 5614)]