20941184

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25326016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 107, 128, 139, 176, 214, 278, 352, 428, 556, 704, 856, 1112, 1177, 1408, 1529, 1712, 2224, 2354, 3058, 3424, 4448, 4708, 6116, 6848, 8896, 9416, 12232, 13696, 14873, 17792, 18832, 24464, 29746, 37664, 48928, 59492, 75328, 97856, 118984, 150656, 163603, 195712, 237968, 327206, 475936, 654412, 951872, 1308824, 1903744, 2617648, 5235296, 10470592, 20941184]

約数ペア:

[(1, 20941184), (2, 10470592), (4, 5235296), (8, 2617648), (11, 1903744), (16, 1308824), (22, 951872), (32, 654412), (44, 475936), (64, 327206), (88, 237968), (107, 195712), (128, 163603), (139, 150656), (176, 118984), (214, 97856), (278, 75328), (352, 59492), (428, 48928), (556, 37664), (704, 29746), (856, 24464), (1112, 18832), (1177, 17792), (1408, 14873), (1529, 13696), (1712, 12232), (2224, 9416), (2354, 8896), (3058, 6848), (3424, 6116), (4448, 4708)]