20577568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 24492128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 88, 106, 176, 212, 352, 424, 583, 848, 1103, 1166, 1696, 2206, 2332, 4412, 4664, 8824, 9328, 12133, 17648, 18656, 24266, 35296, 48532, 58459, 97064, 116918, 194128, 233836, 388256, 467672, 643049, 935344, 1286098, 1870688, 2572196, 5144392, 10288784, 20577568]

約数ペア:

[(1, 20577568), (2, 10288784), (4, 5144392), (8, 2572196), (11, 1870688), (16, 1286098), (22, 935344), (32, 643049), (44, 467672), (53, 388256), (88, 233836), (106, 194128), (176, 116918), (212, 97064), (352, 58459), (424, 48532), (583, 35296), (848, 24266), (1103, 18656), (1166, 17648), (1696, 12133), (2206, 9328), (2332, 8824), (4412, 4664)]