20886208

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2069

約数の個数: 56

約数和(自身を含む): 49450752

約数和(自身を除く): 28564544

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2027, 2576, 4054, 5152, 8108, 10304, 14189, 16216, 28378, 32432, 46621, 56756, 64864, 93242, 113512, 129728, 186484, 227024, 326347, 372968, 454048, 652694, 745936, 908096, 1305388, 1491872, 2610776, 2983744, 5221552, 10443104, 20886208]

約数ペア:

[(1, 20886208), (2, 10443104), (4, 5221552), (7, 2983744), (8, 2610776), (14, 1491872), (16, 1305388), (23, 908096), (28, 745936), (32, 652694), (46, 454048), (56, 372968), (64, 326347), (92, 227024), (112, 186484), (161, 129728), (184, 113512), (224, 93242), (322, 64864), (368, 56756), (448, 46621), (644, 32432), (736, 28378), (1288, 16216), (1472, 14189), (2027, 10304), (2576, 8108), (4054, 5152)]