20740370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2333}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 43020288

約数和(自身を除く): 22279918

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2333, 4445, 4666, 8890, 11665, 16331, 23330, 32662, 81655, 163310, 296291, 592582, 1481455, 2074037, 2962910, 4148074, 10370185, 20740370]

約数ペア:

[(1, 20740370), (2, 10370185), (5, 4148074), (7, 2962910), (10, 2074037), (14, 1481455), (35, 592582), (70, 296291), (127, 163310), (254, 81655), (635, 32662), (889, 23330), (1270, 16331), (1778, 11665), (2333, 8890), (4445, 4666)]