20724394516

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1\times {\mathrm{11171}}^1$

素因数の和:12364

約数の個数: 48

約数和(自身を含む): 42192622080

約数和(自身を除く): 21468227564

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1123, 1652, 2246, 4492, 7861, 11171, 15722, 22342, 31444, 44684, 66257, 78197, 132514, 156394, 265028, 312788, 463799, 659089, 927598, 1318178, 1855196, 2636356, 4613623, 9227246, 12545033, 18454492, 25090066, 50180132, 87815231, 175630462, 351260924, 740156947, 1480313894, 2960627788, 5181098629, 10362197258, 20724394516]

約数ペア:

[(1, 20724394516), (2, 10362197258), (4, 5181098629), (7, 2960627788), (14, 1480313894), (28, 740156947), (59, 351260924), (118, 175630462), (236, 87815231), (413, 50180132), (826, 25090066), (1123, 18454492), (1652, 12545033), (2246, 9227246), (4492, 4613623), (7861, 2636356), (11171, 1855196), (15722, 1318178), (22342, 927598), (31444, 659089), (44684, 463799), (66257, 312788), (78197, 265028), (132514, 156394)]