20757310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15607}}^1$

素因数の和:15640

約数の個数: 32

約数和(自身を含む): 44951040

約数和(自身を除く): 24193730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15607, 31214, 78035, 109249, 156070, 218498, 296533, 546245, 593066, 1092490, 1482665, 2075731, 2965330, 4151462, 10378655, 20757310]

約数ペア:

[(1, 20757310), (2, 10378655), (5, 4151462), (7, 2965330), (10, 2075731), (14, 1482665), (19, 1092490), (35, 593066), (38, 546245), (70, 296533), (95, 218498), (133, 156070), (190, 109249), (266, 78035), (665, 31214), (1330, 15607)]