20840512

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4229}}^1$

素因数の和:4259

約数の個数: 56

約数和(自身を含む): 51572160

約数和(自身を除く): 30731648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4229, 4928, 8458, 16916, 29603, 33832, 46519, 59206, 67664, 93038, 118412, 135328, 186076, 236824, 270656, 325633, 372152, 473648, 651266, 744304, 947296, 1302532, 1488608, 1894592, 2605064, 2977216, 5210128, 10420256, 20840512]

約数ペア:

[(1, 20840512), (2, 10420256), (4, 5210128), (7, 2977216), (8, 2605064), (11, 1894592), (14, 1488608), (16, 1302532), (22, 947296), (28, 744304), (32, 651266), (44, 473648), (56, 372152), (64, 325633), (77, 270656), (88, 236824), (112, 186076), (154, 135328), (176, 118412), (224, 93038), (308, 67664), (352, 59206), (448, 46519), (616, 33832), (704, 29603), (1232, 16916), (2464, 8458), (4229, 4928)]