20855382992

素因数分解:

$2^4\times {\mathrm{68041}}^1\times {\mathrm{19157}}^1$

素因数の和:87206

約数の個数: 20

約数和(自身を含む): 40410007716

約数和(自身を除く): 19554624724

約数列:

[1, 2, 4, 8, 16, 19157, 38314, 68041, 76628, 136082, 153256, 272164, 306512, 544328, 1088656, 1303461437, 2606922874, 5213845748, 10427691496, 20855382992]

約数ペア:

[(1, 20855382992), (2, 10427691496), (4, 5213845748), (8, 2606922874), (16, 1303461437), (19157, 1088656), (38314, 544328), (68041, 306512), (76628, 272164), (136082, 153256)]