20320476

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 31692324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 257, 514, 599, 771, 1028, 1198, 1542, 1797, 2396, 2827, 3084, 3594, 5654, 6589, 7188, 8481, 11308, 13178, 16962, 19767, 26356, 33924, 39534, 79068, 153943, 307886, 461829, 615772, 923658, 1693373, 1847316, 3386746, 5080119, 6773492, 10160238, 20320476]

約数ペア:

[(1, 20320476), (2, 10160238), (3, 6773492), (4, 5080119), (6, 3386746), (11, 1847316), (12, 1693373), (22, 923658), (33, 615772), (44, 461829), (66, 307886), (132, 153943), (257, 79068), (514, 39534), (599, 33924), (771, 26356), (1028, 19767), (1198, 16962), (1542, 13178), (1797, 11308), (2396, 8481), (2827, 7188), (3084, 6589), (3594, 5654)]