20259562757

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1\times {\mathrm{863}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 23943112704

約数和(自身を除く): 3683549947

約数列:

[1, 7, 41, 157, 287, 521, 863, 1099, 3647, 6041, 6437, 21361, 35383, 45059, 81797, 135491, 149527, 247681, 449623, 572579, 948437, 3147361, 3353677, 5555131, 18434543, 23475739, 38885917, 70590811, 129041801, 494135677, 2894223251, 20259562757]

約数ペア:

[(1, 20259562757), (7, 2894223251), (41, 494135677), (157, 129041801), (287, 70590811), (521, 38885917), (863, 23475739), (1099, 18434543), (3647, 5555131), (6041, 3353677), (6437, 3147361), (21361, 948437), (35383, 572579), (45059, 449623), (81797, 247681), (135491, 149527)]