20573168

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16699}}^1$

素因数の和:16725

約数の個数: 40

約数和(自身を含む): 49699200

約数和(自身を除く): 29126032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16699, 33398, 66796, 116893, 133592, 183689, 233786, 267184, 367378, 467572, 734756, 935144, 1285823, 1469512, 1870288, 2571646, 2939024, 5143292, 10286584, 20573168]

約数ペア:

[(1, 20573168), (2, 10286584), (4, 5143292), (7, 2939024), (8, 2571646), (11, 1870288), (14, 1469512), (16, 1285823), (22, 935144), (28, 734756), (44, 467572), (56, 367378), (77, 267184), (88, 233786), (112, 183689), (154, 133592), (176, 116893), (308, 66796), (616, 33398), (1232, 16699)]