20137555216

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{389297}}^1$

素因数の和:389419

約数の個数: 40

約数和(自身を含む): 40404460824

約数和(自身を除く): 20266905608

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 424, 488, 848, 976, 3233, 6466, 12932, 25864, 51728, 389297, 778594, 1557188, 3114376, 6228752, 20632741, 23747117, 41265482, 47494234, 82530964, 94988468, 165061928, 189976936, 330123856, 379953872, 1258597201, 2517194402, 5034388804, 10068777608, 20137555216]

約数ペア:

[(1, 20137555216), (2, 10068777608), (4, 5034388804), (8, 2517194402), (16, 1258597201), (53, 379953872), (61, 330123856), (106, 189976936), (122, 165061928), (212, 94988468), (244, 82530964), (424, 47494234), (488, 41265482), (848, 23747117), (976, 20632741), (3233, 6228752), (6466, 3114376), (12932, 1557188), (25864, 778594), (51728, 389297)]