20792847

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 9288177

約数列:

[1, 3, 31, 47, 67, 71, 93, 141, 201, 213, 1457, 2077, 2201, 3149, 3337, 4371, 4757, 6231, 6603, 9447, 10011, 14271, 97619, 103447, 147467, 223579, 292857, 310341, 442401, 670737, 6930949, 20792847]

約数ペア:

[(1, 20792847), (3, 6930949), (31, 670737), (47, 442401), (67, 310341), (71, 292857), (93, 223579), (141, 147467), (201, 103447), (213, 97619), (1457, 14271), (2077, 10011), (2201, 9447), (3149, 6603), (3337, 6231), (4371, 4757)]