20065148936

素因数分解:

$2^3\times 7^1\times {\mathrm{9319}}^1\times {\mathrm{38449}}^1$

素因数の和:47781

約数の個数: 32

約数和(自身を含む): 43002480000

約数和(自身を除く): 22937331064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 9319, 18638, 37276, 38449, 65233, 74552, 76898, 130466, 153796, 260932, 269143, 307592, 521864, 538286, 1076572, 2153144, 358306231, 716612462, 1433224924, 2508143617, 2866449848, 5016287234, 10032574468, 20065148936]

約数ペア:

[(1, 20065148936), (2, 10032574468), (4, 5016287234), (7, 2866449848), (8, 2508143617), (14, 1433224924), (28, 716612462), (56, 358306231), (9319, 2153144), (18638, 1076572), (37276, 538286), (38449, 521864), (65233, 307592), (74552, 269143), (76898, 260932), (130466, 153796)]