20187274072

素因数分解:

$2^3\times 7^1\times {\mathrm{3391}}^1\times {\mathrm{106307}}^1$

素因数の和:109711

約数の個数: 32

約数和(自身を含む): 43271608320

約数和(自身を除く): 23084334248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3391, 6782, 13564, 23737, 27128, 47474, 94948, 106307, 189896, 212614, 425228, 744149, 850456, 1488298, 2976596, 5953192, 360487037, 720974074, 1441948148, 2523409259, 2883896296, 5046818518, 10093637036, 20187274072]

約数ペア:

[(1, 20187274072), (2, 10093637036), (4, 5046818518), (7, 2883896296), (8, 2523409259), (14, 1441948148), (28, 720974074), (56, 360487037), (3391, 5953192), (6782, 2976596), (13564, 1488298), (23737, 850456), (27128, 744149), (47474, 425228), (94948, 212614), (106307, 189896)]