20856552588

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3690119}}^1$

素因数の和:3690286

約数の個数: 36

約数和(自身を含む): 53056545360

約数和(自身を除く): 32199992772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 3690119, 7380238, 11070357, 14760476, 22140714, 33211071, 44281428, 66422142, 132844284, 579348683, 1158697366, 1738046049, 2317394732, 3476092098, 5214138147, 6952184196, 10428276294, 20856552588]

約数ペア:

[(1, 20856552588), (2, 10428276294), (3, 6952184196), (4, 5214138147), (6, 3476092098), (9, 2317394732), (12, 1738046049), (18, 1158697366), (36, 579348683), (157, 132844284), (314, 66422142), (471, 44281428), (628, 33211071), (942, 22140714), (1413, 14760476), (1884, 11070357), (2826, 7380238), (5652, 3690119)]