20804973126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1235303}}^1$

素因数の和:1235716

約数の個数: 32

約数和(自身を含む): 47672851968

約数和(自身を除く): 26867878842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 2406, 2807, 5614, 8421, 16842, 1235303, 2470606, 3705909, 7411818, 8647121, 17294242, 25941363, 51882726, 495356503, 990713006, 1486069509, 2972139018, 3467495521, 6934991042, 10402486563, 20804973126]

約数ペア:

[(1, 20804973126), (2, 10402486563), (3, 6934991042), (6, 3467495521), (7, 2972139018), (14, 1486069509), (21, 990713006), (42, 495356503), (401, 51882726), (802, 25941363), (1203, 17294242), (2406, 8647121), (2807, 7411818), (5614, 3705909), (8421, 2470606), (16842, 1235303)]