20173351681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{18047}}^1$

素因数の和:18261

約数の個数: 32

約数和(自身を含む): 24700059648

約数和(自身を除く): 4526707967

約数列:

[1, 7, 23, 53, 131, 161, 371, 917, 1219, 3013, 6943, 8533, 18047, 21091, 48601, 126329, 159689, 415081, 956491, 1117823, 2364157, 2905567, 6695437, 16549099, 21999293, 54375611, 125300321, 153995051, 380629277, 877102247, 2881907383, 20173351681]

約数ペア:

[(1, 20173351681), (7, 2881907383), (23, 877102247), (53, 380629277), (131, 153995051), (161, 125300321), (371, 54375611), (917, 21999293), (1219, 16549099), (3013, 6695437), (6943, 2905567), (8533, 2364157), (18047, 1117823), (21091, 956491), (48601, 415081), (126329, 159689)]