20189312

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1141

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 27106048

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1103, 1144, 1408, 1664, 2206, 2288, 4412, 4576, 8824, 9152, 12133, 14339, 17648, 18304, 24266, 28678, 35296, 48532, 57356, 70592, 97064, 114712, 141184, 157729, 194128, 229424, 315458, 388256, 458848, 630916, 776512, 917696, 1261832, 1553024, 1835392, 2523664, 5047328, 10094656, 20189312]

約数ペア:

[(1, 20189312), (2, 10094656), (4, 5047328), (8, 2523664), (11, 1835392), (13, 1553024), (16, 1261832), (22, 917696), (26, 776512), (32, 630916), (44, 458848), (52, 388256), (64, 315458), (88, 229424), (104, 194128), (128, 157729), (143, 141184), (176, 114712), (208, 97064), (286, 70592), (352, 57356), (416, 48532), (572, 35296), (704, 28678), (832, 24266), (1103, 18304), (1144, 17648), (1408, 14339), (1664, 12133), (2206, 9152), (2288, 8824), (4412, 4576)]