20983431

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24371}}^1$

素因数の和:24422

約数の個数: 16

約数和(自身を含む): 32755968

約数和(自身を除く): 11772537

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24371, 73113, 170597, 511791, 999211, 2997633, 6994477, 20983431]

約数ペア:

[(1, 20983431), (3, 6994477), (7, 2997633), (21, 999211), (41, 511791), (123, 170597), (287, 73113), (861, 24371)]