20140208

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 43736784

約数和(自身を除く): 23596576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 103, 121, 176, 202, 206, 242, 404, 412, 484, 808, 824, 968, 1111, 1133, 1616, 1648, 1936, 2222, 2266, 4444, 4532, 8888, 9064, 10403, 12221, 12463, 17776, 18128, 20806, 24442, 24926, 41612, 48884, 49852, 83224, 97768, 99704, 114433, 166448, 195536, 199408, 228866, 457732, 915464, 1258763, 1830928, 2517526, 5035052, 10070104, 20140208]

約数ペア:

[(1, 20140208), (2, 10070104), (4, 5035052), (8, 2517526), (11, 1830928), (16, 1258763), (22, 915464), (44, 457732), (88, 228866), (101, 199408), (103, 195536), (121, 166448), (176, 114433), (202, 99704), (206, 97768), (242, 83224), (404, 49852), (412, 48884), (484, 41612), (808, 24926), (824, 24442), (968, 20806), (1111, 18128), (1133, 17776), (1616, 12463), (1648, 12221), (1936, 10403), (2222, 9064), (2266, 8888), (4444, 4532)]