20170956981

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1\times {\mathrm{3079}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 30958090240

約数和(自身を除く): 10787133259

約数列:

[1, 3, 7, 21, 157, 471, 1099, 1987, 3079, 3297, 5961, 9237, 13909, 21553, 41727, 64659, 311959, 483403, 935877, 1450209, 2183713, 3383821, 6117973, 6551139, 10151463, 18353919, 42825811, 128477433, 960521761, 2881565283, 6723652327, 20170956981]

約数ペア:

[(1, 20170956981), (3, 6723652327), (7, 2881565283), (21, 960521761), (157, 128477433), (471, 42825811), (1099, 18353919), (1987, 10151463), (3079, 6551139), (3297, 6117973), (5961, 3383821), (9237, 2183713), (13909, 1450209), (21553, 935877), (41727, 483403), (64659, 311959)]