20781646248

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78718357}}^1$

素因数の和:78718377

約数の個数: 32

約数和(自身を含む): 56677217760

約数和(自身を除く): 35895571512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78718357, 157436714, 236155071, 314873428, 472310142, 629746856, 865901927, 944620284, 1731803854, 1889240568, 2597705781, 3463607708, 5195411562, 6927215416, 10390823124, 20781646248]

約数ペア:

[(1, 20781646248), (2, 10390823124), (3, 6927215416), (4, 5195411562), (6, 3463607708), (8, 2597705781), (11, 1889240568), (12, 1731803854), (22, 944620284), (24, 865901927), (33, 629746856), (44, 472310142), (66, 314873428), (88, 236155071), (132, 157436714), (264, 78718357)]