20023160915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{51199}}^1$

素因数の和:51371

約数の個数: 32

約数和(自身を含む): 26276659200

約数和(自身を除く): 6253498285

約数列:

[1, 5, 17, 43, 85, 107, 215, 535, 731, 1819, 3655, 4601, 9095, 23005, 51199, 78217, 255995, 391085, 870383, 2201557, 4351915, 5478293, 11007785, 27391465, 37426469, 93130981, 187132345, 235566599, 465654905, 1177832995, 4004632183, 20023160915]

約数ペア:

[(1, 20023160915), (5, 4004632183), (17, 1177832995), (43, 465654905), (85, 235566599), (107, 187132345), (215, 93130981), (535, 37426469), (731, 27391465), (1819, 11007785), (3655, 5478293), (4601, 4351915), (9095, 2201557), (23005, 870383), (51199, 391085), (78217, 255995)]