20147007381

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{3823}}^1$

素因数の和:4301

約数の個数: 32

約数和(自身を含む): 27851079168

約数和(自身を除く): 7704071787

約数列:

[1, 3, 37, 111, 197, 241, 591, 723, 3823, 7289, 8917, 11469, 21867, 26751, 47477, 141451, 142431, 424353, 753131, 921343, 1756649, 2259393, 2764029, 5269947, 27865847, 34089691, 83597541, 102269073, 181504571, 544513713, 6715669127, 20147007381]

約数ペア:

[(1, 20147007381), (3, 6715669127), (37, 544513713), (111, 181504571), (197, 102269073), (241, 83597541), (591, 34089691), (723, 27865847), (3823, 5269947), (7289, 2764029), (8917, 2259393), (11469, 1756649), (21867, 921343), (26751, 753131), (47477, 424353), (141451, 142431)]