20894060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 48559392

約数和(自身を除く): 27665332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1301, 1460, 1606, 2602, 3212, 4015, 5204, 6505, 8030, 13010, 14311, 16060, 26020, 28622, 57244, 71555, 94973, 143110, 189946, 286220, 379892, 474865, 949730, 1044703, 1899460, 2089406, 4178812, 5223515, 10447030, 20894060]

約数ペア:

[(1, 20894060), (2, 10447030), (4, 5223515), (5, 4178812), (10, 2089406), (11, 1899460), (20, 1044703), (22, 949730), (44, 474865), (55, 379892), (73, 286220), (110, 189946), (146, 143110), (220, 94973), (292, 71555), (365, 57244), (730, 28622), (803, 26020), (1301, 16060), (1460, 14311), (1606, 13010), (2602, 8030), (3212, 6505), (4015, 5204)]