19792960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5623}}^1$

素因数の和:5651

約数の個数: 56

約数和(自身を含む): 51425856

約数和(自身を除く): 31632896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5623, 11246, 22492, 28115, 44984, 56230, 61853, 89968, 112460, 123706, 179936, 224920, 247412, 309265, 359872, 449840, 494824, 618530, 899680, 989648, 1237060, 1799360, 1979296, 2474120, 3958592, 4948240, 9896480, 19792960]

約数ペア:

[(1, 19792960), (2, 9896480), (4, 4948240), (5, 3958592), (8, 2474120), (10, 1979296), (11, 1799360), (16, 1237060), (20, 989648), (22, 899680), (32, 618530), (40, 494824), (44, 449840), (55, 359872), (64, 309265), (80, 247412), (88, 224920), (110, 179936), (160, 123706), (176, 112460), (220, 89968), (320, 61853), (352, 56230), (440, 44984), (704, 28115), (880, 22492), (1760, 11246), (3520, 5623)]