20340176

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4691}}^1$

素因数の和:4970

約数の個数: 20

約数和(自身を含む): 39562944

約数和(自身を除く): 19222768

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4691, 9382, 18764, 37528, 75056, 1271261, 2542522, 5085044, 10170088, 20340176]

約数ペア:

[(1, 20340176), (2, 10170088), (4, 5085044), (8, 2542522), (16, 1271261), (271, 75056), (542, 37528), (1084, 18764), (2168, 9382), (4336, 4691)]