20440185

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13307655

約数列:

[1, 3, 5, 15, 61, 89, 183, 251, 267, 305, 445, 753, 915, 1255, 1335, 3765, 5429, 15311, 16287, 22339, 27145, 45933, 67017, 76555, 81435, 111695, 229665, 335085, 1362679, 4088037, 6813395, 20440185]

約数ペア:

[(1, 20440185), (3, 6813395), (5, 4088037), (15, 1362679), (61, 335085), (89, 229665), (183, 111695), (251, 81435), (267, 76555), (305, 67017), (445, 45933), (753, 27145), (915, 22339), (1255, 16287), (1335, 15311), (3765, 5429)]