20122701718

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{643}}^1\times {\mathrm{1621}}^1$

素因数の和:2477

約数の個数: 48

約数和(自身を含む): 35366983344

約数和(自身を除く): 15244281626

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 643, 1286, 1379, 1621, 2758, 3242, 4501, 9002, 9653, 11347, 19306, 22694, 31507, 63014, 79429, 126671, 158858, 253342, 319337, 638674, 886697, 1042303, 1773394, 2084606, 2235359, 4470718, 6206879, 7296121, 12413758, 14592242, 15647513, 31295026, 51072847, 102145694, 205333691, 410667382, 1437335837, 2874671674, 10061350859, 20122701718]

約数ペア:

[(1, 20122701718), (2, 10061350859), (7, 2874671674), (14, 1437335837), (49, 410667382), (98, 205333691), (197, 102145694), (394, 51072847), (643, 31295026), (1286, 15647513), (1379, 14592242), (1621, 12413758), (2758, 7296121), (3242, 6206879), (4501, 4470718), (9002, 2235359), (9653, 2084606), (11347, 1773394), (19306, 1042303), (22694, 886697), (31507, 638674), (63014, 319337), (79429, 253342), (126671, 158858)]