20731774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 38073600

約数和(自身を除く): 17341826

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1321, 2242, 2642, 7847, 9247, 15694, 18494, 25099, 50198, 77939, 155878, 175693, 351386, 545573, 1091146, 1480841, 2961682, 10365887, 20731774]

約数ペア:

[(1, 20731774), (2, 10365887), (7, 2961682), (14, 1480841), (19, 1091146), (38, 545573), (59, 351386), (118, 175693), (133, 155878), (266, 77939), (413, 50198), (826, 25099), (1121, 18494), (1321, 15694), (2242, 9247), (2642, 7847)]