20005940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2029}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 46040400

約数和(自身を除く): 26034460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2029, 2465, 4058, 4930, 8116, 9860, 10145, 20290, 34493, 40580, 58841, 68986, 117682, 137972, 172465, 235364, 294205, 344930, 588410, 689860, 1000297, 1176820, 2000594, 4001188, 5001485, 10002970, 20005940]

約数ペア:

[(1, 20005940), (2, 10002970), (4, 5001485), (5, 4001188), (10, 2000594), (17, 1176820), (20, 1000297), (29, 689860), (34, 588410), (58, 344930), (68, 294205), (85, 235364), (116, 172465), (145, 137972), (170, 117682), (290, 68986), (340, 58841), (493, 40580), (580, 34493), (986, 20290), (1972, 10145), (2029, 9860), (2465, 8116), (4058, 4930)]