20278816

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8681}}^1$

素因数の和:8764

約数の個数: 24

約数和(自身を含む): 40475484

約数和(自身を除く): 20196668

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8681, 17362, 34724, 69448, 138896, 277792, 633713, 1267426, 2534852, 5069704, 10139408, 20278816]

約数ペア:

[(1, 20278816), (2, 10139408), (4, 5069704), (8, 2534852), (16, 1267426), (32, 633713), (73, 277792), (146, 138896), (292, 69448), (584, 34724), (1168, 17362), (2336, 8681)]