20670656

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4632

約数の個数: 28

約数和(自身を含む): 41605200

約数和(自身を除く): 20934544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4549, 9098, 18196, 36392, 72784, 145568, 291136, 322979, 645958, 1291916, 2583832, 5167664, 10335328, 20670656]

約数ペア:

[(1, 20670656), (2, 10335328), (4, 5167664), (8, 2583832), (16, 1291916), (32, 645958), (64, 322979), (71, 291136), (142, 145568), (284, 72784), (568, 36392), (1136, 18196), (2272, 9098), (4544, 4549)]