20819073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 11178879

約数列:

[1, 3, 11, 31, 33, 47, 93, 141, 341, 433, 517, 1023, 1299, 1457, 1551, 4371, 4763, 13423, 14289, 16027, 20351, 40269, 48081, 61053, 147653, 223861, 442959, 630881, 671583, 1892643, 6939691, 20819073]

約数ペア:

[(1, 20819073), (3, 6939691), (11, 1892643), (31, 671583), (33, 630881), (47, 442959), (93, 223861), (141, 147653), (341, 61053), (433, 48081), (517, 40269), (1023, 20351), (1299, 16027), (1457, 14289), (1551, 13423), (4371, 4763)]