20767527

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2357}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 33106320

約数和(自身を除く): 12338793

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2357, 2937, 7071, 8811, 21213, 25927, 77781, 209773, 233343, 629319, 1887957, 2307503, 6922509, 20767527]

約数ペア:

[(1, 20767527), (3, 6922509), (9, 2307503), (11, 1887957), (33, 629319), (89, 233343), (99, 209773), (267, 77781), (801, 25927), (979, 21213), (2357, 8811), (2937, 7071)]