20317270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 39149280

約数和(自身を除く): 18832010

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1753, 2318, 3506, 5795, 8765, 11590, 17530, 33307, 66614, 106933, 166535, 213866, 333070, 534665, 1069330, 2031727, 4063454, 10158635, 20317270]

約数ペア:

[(1, 20317270), (2, 10158635), (5, 4063454), (10, 2031727), (19, 1069330), (38, 534665), (61, 333070), (95, 213866), (122, 166535), (190, 106933), (305, 66614), (610, 33307), (1159, 17530), (1753, 11590), (2318, 8765), (3506, 5795)]