20804956284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{617651}}^1$

素因数の和:618066

約数の個数: 48

約数和(自身を含む): 55618327296

約数和(自身を除く): 34813371012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 401, 802, 1203, 1604, 2406, 2807, 4812, 5614, 8421, 11228, 16842, 33684, 617651, 1235302, 1852953, 2470604, 3705906, 4323557, 7411812, 8647114, 12970671, 17294228, 25941342, 51882684, 247678051, 495356102, 743034153, 990712204, 1486068306, 1733746357, 2972136612, 3467492714, 5201239071, 6934985428, 10402478142, 20804956284]

約数ペア:

[(1, 20804956284), (2, 10402478142), (3, 6934985428), (4, 5201239071), (6, 3467492714), (7, 2972136612), (12, 1733746357), (14, 1486068306), (21, 990712204), (28, 743034153), (42, 495356102), (84, 247678051), (401, 51882684), (802, 25941342), (1203, 17294228), (1604, 12970671), (2406, 8647114), (2807, 7411812), (4812, 4323557), (5614, 3705906), (8421, 2470604), (11228, 1852953), (16842, 1235302), (33684, 617651)]