20391063

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 34739712

約数和(自身を除く): 14348649

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2153, 3157, 6459, 9471, 15071, 23683, 45213, 71049, 88273, 165781, 264819, 497343, 617911, 971003, 1853733, 2913009, 6797021, 20391063]

約数ペア:

[(1, 20391063), (3, 6797021), (7, 2913009), (11, 1853733), (21, 971003), (33, 617911), (41, 497343), (77, 264819), (123, 165781), (231, 88273), (287, 71049), (451, 45213), (861, 23683), (1353, 15071), (2153, 9471), (3157, 6459)]