20298752

素因数分解:

$2^{10}\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 44

約数和(自身を含む): 41611416

約数和(自身を除く): 21312664

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 461, 512, 688, 922, 1024, 1376, 1844, 2752, 3688, 5504, 7376, 11008, 14752, 19823, 22016, 29504, 39646, 44032, 59008, 79292, 118016, 158584, 236032, 317168, 472064, 634336, 1268672, 2537344, 5074688, 10149376, 20298752]

約数ペア:

[(1, 20298752), (2, 10149376), (4, 5074688), (8, 2537344), (16, 1268672), (32, 634336), (43, 472064), (64, 317168), (86, 236032), (128, 158584), (172, 118016), (256, 79292), (344, 59008), (461, 44032), (512, 39646), (688, 29504), (922, 22016), (1024, 19823), (1376, 14752), (1844, 11008), (2752, 7376), (3688, 5504)]