20537841

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9874959

約数列:

[1, 3, 19, 31, 57, 59, 93, 177, 197, 589, 591, 1121, 1767, 1829, 3363, 3743, 5487, 6107, 11229, 11623, 18321, 34751, 34869, 104253, 116033, 220837, 348099, 360313, 662511, 1080939, 6845947, 20537841]

約数ペア:

[(1, 20537841), (3, 6845947), (19, 1080939), (31, 662511), (57, 360313), (59, 348099), (93, 220837), (177, 116033), (197, 104253), (589, 34869), (591, 34751), (1121, 18321), (1767, 11623), (1829, 11229), (3363, 6107), (3743, 5487)]