20863304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3079}}^1$

素因数の和:3114

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 28293496

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3079, 3388, 6158, 6776, 12316, 21553, 24632, 33869, 43106, 67738, 86212, 135476, 172424, 237083, 270952, 372559, 474166, 745118, 948332, 1490236, 1896664, 2607913, 2980472, 5215826, 10431652, 20863304]

約数ペア:

[(1, 20863304), (2, 10431652), (4, 5215826), (7, 2980472), (8, 2607913), (11, 1896664), (14, 1490236), (22, 948332), (28, 745118), (44, 474166), (56, 372559), (77, 270952), (88, 237083), (121, 172424), (154, 135476), (242, 86212), (308, 67738), (484, 43106), (616, 33869), (847, 24632), (968, 21553), (1694, 12316), (3079, 6776), (3388, 6158)]