20587380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31193}}^1$

素因数の和:31216

約数の個数: 48

約数和(自身を含む): 62887104

約数和(自身を除く): 42299724

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31193, 62386, 93579, 124772, 155965, 187158, 311930, 343123, 374316, 467895, 623860, 686246, 935790, 1029369, 1372492, 1715615, 1871580, 2058738, 3431230, 4117476, 5146845, 6862460, 10293690, 20587380]

約数ペア:

[(1, 20587380), (2, 10293690), (3, 6862460), (4, 5146845), (5, 4117476), (6, 3431230), (10, 2058738), (11, 1871580), (12, 1715615), (15, 1372492), (20, 1029369), (22, 935790), (30, 686246), (33, 623860), (44, 467895), (55, 374316), (60, 343123), (66, 311930), (110, 187158), (132, 155965), (165, 124772), (220, 93579), (330, 62386), (660, 31193)]