20408027468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{3259}}^1\times {\mathrm{5417}}^1$

素因数の和:8714

約数の個数: 36

約数和(自身を含む): 37957099320

約数和(自身を除く): 17549071852

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 3259, 5417, 6518, 10834, 13036, 21668, 55403, 92089, 110806, 184178, 221612, 368356, 941851, 1565513, 1883702, 3131026, 3767404, 6262052, 17654003, 35308006, 70616012, 300118051, 600236102, 1200472204, 5102006867, 10204013734, 20408027468]

約数ペア:

[(1, 20408027468), (2, 10204013734), (4, 5102006867), (17, 1200472204), (34, 600236102), (68, 300118051), (289, 70616012), (578, 35308006), (1156, 17654003), (3259, 6262052), (5417, 3767404), (6518, 3131026), (10834, 1883702), (13036, 1565513), (21668, 941851), (55403, 368356), (92089, 221612), (110806, 184178)]