20549685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6199}}^1$

素因数の和:6237

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16947915

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 6199, 18597, 30995, 80587, 92985, 105383, 241761, 316149, 402935, 526915, 1208805, 1369979, 1580745, 4109937, 6849895, 20549685]

約数ペア:

[(1, 20549685), (3, 6849895), (5, 4109937), (13, 1580745), (15, 1369979), (17, 1208805), (39, 526915), (51, 402935), (65, 316149), (85, 241761), (195, 105383), (221, 92985), (255, 80587), (663, 30995), (1105, 18597), (3315, 6199)]