20842192

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2707

約数の個数: 40

約数和(自身を含む): 46818432

約数和(自身を除く): 25976240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2621, 3976, 5242, 7952, 10484, 18347, 20968, 36694, 41936, 73388, 146776, 186091, 293552, 372182, 744364, 1302637, 1488728, 2605274, 2977456, 5210548, 10421096, 20842192]

約数ペア:

[(1, 20842192), (2, 10421096), (4, 5210548), (7, 2977456), (8, 2605274), (14, 1488728), (16, 1302637), (28, 744364), (56, 372182), (71, 293552), (112, 186091), (142, 146776), (284, 73388), (497, 41936), (568, 36694), (994, 20968), (1136, 18347), (1988, 10484), (2621, 7952), (3976, 5242)]